{"as_of":"2026-08-16T09:23:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:022274dc3a9f244c27f0a198b07ecd7be8b8d36bec6dc946101a3da9f6c7b3c7","coverage":[{"denominator":114,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":100,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T15:15:59.163154Z","state":"measured"},{"denominator":100,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":100,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-16T06:30:59.297886+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/1908.01627/citation-record","integrity":"/paper/1908.01627/integrity","json":"/paper/1908.01627/citation-record.json","paper":"/paper/1908.01627"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.795563Z","title":"N., et al","venue":null,"work_id":null,"year":2009},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.795563Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ce3254479bf585af6dc81e9bcd39fdf0fdeee710d513792bd2c8ab32a6942e40","observation_id":"bd6e8597-cb0b-4418-9a75-d1c4206f62a4","resolution":{"observed_at":"2026-08-14T15:15:58.795563Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.800236Z","title":"1993, ARA&A, 31, 473","venue":null,"work_id":null,"year":1993},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.800236Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:de2b86d5b701762d22786603637abffd0b1b1ac35b8fca7aa03234ffd8116c8a","observation_id":"d106418c-72d2-4058-a310-53d8d3f6f3ee","resolution":{"observed_at":"2026-08-14T15:15:58.800236Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.804113Z","title":null,"venue":null,"work_id":null,"year":1985},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.804113Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:c4dcffd09fc77a16729480f416277217388d0024188621589a94cfc9ccce3e18","observation_id":"f6d87f5b-c644-4cb9-a3fb-fe9e5e3ca1b5","resolution":{"observed_at":"2026-08-14T15:15:58.804113Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.808528Z","title":"1992, ApJ, 400, 502","venue":null,"work_id":null,"year":1992},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.808528Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:0d68f5058ffa3cecf21336814714a728142da2e6b152f959cfe98a82dde00eb1","observation_id":"f0401e72-a4f4-4a59-8bfc-875532522633","resolution":{"observed_at":"2026-08-14T15:15:58.808528Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.812604Z","title":"2018, MNRAS, 474, 1970","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.812604Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:dceb15b07d41fde4db44eafbbf622a29082875ea21d66fd66cd5be38da5703aa","observation_id":"7029e151-38b8-4741-af61-f1bfb5bd9bd0","resolution":{"observed_at":"2026-08-14T15:15:58.812604Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.816611Z","title":"C., & Katz, S","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.816611Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:cab1c5148cdcd12ebc7d02ff42c6b611e552349313a2e4e74915fcc3e7d99176","observation_id":"c2848409-ce2d-46e7-b50b-dab37ee1c75c","resolution":{"observed_at":"2026-08-14T15:15:58.816611Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.820788Z","title":"C., Peterson, B","venue":null,"work_id":null,"year":2009},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.820788Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:a7e789e0f826caa316b743c391bc67cea932559188da3f1b06b0e1edfd4b5c3c","observation_id":"d1e1b83e-4471-43fd-8a37-46fd755fd93c","resolution":{"observed_at":"2026-08-14T15:15:58.820788Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.824165Z","title":"C., et al","venue":null,"work_id":null,"year":2008},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.824165Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:901c09940855ebfedb99c0d7150ea2443012798fec401215572e38e3b4564b4d","observation_id":"610cf37d-f5be-4c27-8975-be9950af462a","resolution":{"observed_at":"2026-08-14T15:15:58.824165Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.827424Z","title":"D., & McKee, C","venue":null,"work_id":null,"year":1982},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.827424Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:6509c4b55235872f3f2f62013b549d290f31d295dedcba418cbcce97dd1b4c21","observation_id":"2410cce4-ef8d-497c-8dcc-3c964cea6d15","resolution":{"observed_at":"2026-08-14T15:15:58.827424Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.830875Z","title":"M., et al","venue":null,"work_id":null,"year":2013},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.830875Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ec824be1e860fe37d2cf93ef1ebf81fba11b1dd1e3424786b03c6a7bbd675a81","observation_id":"5c6ebf3d-f562-420f-b47d-94f731eff6af","resolution":{"observed_at":"2026-08-14T15:15:58.830875Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.834134Z","title":"2013, A&A, 558, A149","venue":null,"work_id":null,"year":2013},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.834134Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:e214c2f9ae365ea2c0b828f6b5fadef1744f7877a4909f0917b27468c98aaaac","observation_id":"99f1ac21-9a2d-42d0-80dd-f6cdf3ddd3e2","resolution":{"observed_at":"2026-08-14T15:15:58.834134Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.838664Z","title":null,"venue":null,"work_id":null,"year":1989},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.838664Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:957ba1ea3f3b88e909f6b56a8c181a231b49670be6fb67022537e7affd3f7932","observation_id":"f2d47c35-b977-4cbe-88c0-1e3f372ac016","resolution":{"observed_at":"2026-08-14T15:15:58.838664Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.842070Z","title":"H., Ogle, P","venue":null,"work_id":null,"year":1999},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.842070Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:2b1e9e206361ac7f8c050648c10ae0954181e9b36e8cd0d0ce8b0de7478e0eb2","observation_id":"2bf492f0-6be3-401c-bffe-e4d5404bf045","resolution":{"observed_at":"2026-08-14T15:15:58.842070Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.845878Z","title":null,"venue":null,"work_id":null,"year":1999},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.845878Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:23c00d0ef330f679244e1302277312b213c6586224f83ab2e13fc68c66dcf889","observation_id":"a3a585c2-aa70-45f1-8bf2-885bc2ba0fb0","resolution":{"observed_at":"2026-08-14T15:15:58.845878Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.849295Z","title":"A., Kielkopf, J","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.849295Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ae350d0a4527d472ad7f508b473049ff9cd8eb24a244924139ba8fa81e0087e0","observation_id":"e4099bb3-9ab2-4111-a773-430364974450","resolution":{"observed_at":"2026-08-14T15:15:58.849295Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.852685Z","title":"C., Vacca, W","venue":null,"work_id":null,"year":2004},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.852685Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:760e5fad6324dd2a7aed712c11019469749335130ddac056e29806d89a7fd9ba","observation_id":"7b5a2039-9008-4bf5-ac16-9465abff48eb","resolution":{"observed_at":"2026-08-14T15:15:58.852685Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.856072Z","title":"2016, ApJ, 832, 15","venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.856072Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:14f24f46a33ad8cde3c98186baca981c46780f3f63161f551559b27c9a5e6604","observation_id":"251d4c24-8593-4999-a0a3-6e48659bb92a","resolution":{"observed_at":"2026-08-14T15:15:58.856072Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.859499Z","title":"2011, A&A, 525, L8","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.859499Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:349cec548b5dce71b5363209eeff871f1d3d703876847d8d091c52cd87641f7d","observation_id":"3b0ebfc1-1a63-432d-b0be-1aa145f2b037","resolution":{"observed_at":"2026-08-14T15:15:58.859499Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.862827Z","title":"2017, ApJ, 846, 154 De Rosa, G., et al","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.862827Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:1782fd0ba177b48d931fef6e15378ac92d49356bfe19dc60f1493ba1311ef8bd","observation_id":"43da156c-c52a-4040-93f0-b66388d396b4","resolution":{"observed_at":"2026-08-14T15:15:58.862827Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.866343Z","title":"D., et al","venue":null,"work_id":null,"year":2010},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.866343Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:543d568dd6f7f70607945a94ed79fc09ba25ecdfc5d3389976f6e098a9d01158","observation_id":"a65b4299-4e8a-4c88-a3b3-d4f0a07e94de","resolution":{"observed_at":"2026-08-14T15:15:58.866343Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.870738Z","title":"M., & Lockman, F","venue":null,"work_id":null,"year":1990},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.870738Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:70641484919750e023fd9f5e45149a9b2e3c6e1c8a04eea40df78d11fd52c9ac","observation_id":"0ff9e4b5-2acb-4fe9-b819-d8dd68897ab6","resolution":{"observed_at":"2026-08-14T15:15:58.870738Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.874165Z","title":null,"venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.874165Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:d49ce8b4052bfe74d63428a3065bb7afbe97bea06c257f6fbc0934f64650f8bf","observation_id":"9e5d263a-8def-49c3-98e5-2af052d8a000","resolution":{"observed_at":"2026-08-14T15:15:58.874165Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.877881Z","title":"T., & Hensley, B","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.877881Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:69f54d17a8cbf856fd607017ff01d09e1fa089fe68a81c2e166524deb6512b24","observation_id":"e0e3c23c-7170-404f-b646-9f7a36ba85d7","resolution":{"observed_at":"2026-08-14T15:15:58.877881Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.881531Z","title":"2015, ApJ, 806, 129","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.881531Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:c75594604782406afa0b5bfce1f14e09d1365b5141a43270a06aa563e7ffe420","observation_id":"40734e33-1a44-4170-a663-0c8e9a0b210c","resolution":{"observed_at":"2026-08-14T15:15:58.881531Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.885074Z","title":"2006, ApJ, 648, L101","venue":null,"work_id":null,"year":2006},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.885074Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:b3b490de9c71678d55944a76356173f82b5208325525f6a984842222d54c4cf4","observation_id":"4ea74f96-389c-4d68-8386-6cbaf27d76e6","resolution":{"observed_at":"2026-08-14T15:15:58.885074Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.888564Z","title":null,"venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.888564Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:215d250eb62df763485a0055c50fed332822498a48cf5f4fcd861f830d7f5bba","observation_id":"bebfd3db-06ff-472d-a96d-cbe94b897bea","resolution":{"observed_at":"2026-08-14T15:15:58.888564Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.891991Z","title":"M., et al","venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.891991Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:e96305026aeede7a7b273d68ee7881ac367ced7884e09b8b12405cb64b1c2a33","observation_id":"c5207f46-78c1-4422-9192-9c55441c93bf","resolution":{"observed_at":"2026-08-14T15:15:58.891991Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.896311Z","title":"W., Korista, K","venue":null,"work_id":null,"year":1997},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.896311Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:fa248466b8a7439907b77e7347fcd37681a877d19901e10b83e32b6bae799edf","observation_id":"89fa07b7-afa0-4061-bcb5-15ccc8c08ab3","resolution":{"observed_at":"2026-08-14T15:15:58.896311Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.899766Z","title":"2002, Accretion Power in Astrophysics (Cambridge University Press)","venue":null,"work_id":null,"year":2002},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.899766Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:88f8c6492d2a3865ec9c3ced04edd5dfa5a436cc19d61b8b1a9514254372d5f1","observation_id":"126414eb-55fd-485b-8d05-e65a82302ab9","resolution":{"observed_at":"2026-08-14T15:15:58.899766Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.903114Z","title":"2019, MNRAS, 483, 3404 Garc ´ ıa-Burillo, S., et al","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.903114Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:85d31d0a5a4db0a8f09af6f686a81614509242c5610cce501ed24f8243702260","observation_id":"b0b4016f-8a70-47e3-ae27-87a971fac3de","resolution":{"observed_at":"2026-08-14T15:15:58.903114Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.906519Z","title":"2017, MNRAS, 470, 3591","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.906519Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:82c07c6c63c3ba50764ea71e60caf0e88392997279f9c13df3a580b26eb77428","observation_id":"fe72e108-1d43-4a10-aea2-f13003cb85e9","resolution":{"observed_at":"2026-08-14T15:15:58.906519Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.909860Z","title":"M., & Peterson, B","venue":null,"work_id":null,"year":1987},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.909860Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:94bae9fa6edd855fdd74cdeb58d8629aea5125081e4663e992ef4fad68e6e10a","observation_id":"d8317add-544f-41a6-b406-457b1eb96a70","resolution":{"observed_at":"2026-08-14T15:15:58.909860Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.913227Z","title":null,"venue":null,"work_id":null,"year":2004},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.913227Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ce77d94f8aec078d680c2f0f4e76b2725938646d705bb4291c82e7bc25f62d32","observation_id":"ded3e9a9-726d-4e38-a175-4b4137c964b6","resolution":{"observed_at":"2026-08-14T15:15:58.913227Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.916480Z","title":"R., et al","venue":null,"work_id":null,"year":2016},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.916480Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:997cd2c0135d3ffbd49ef9146eefc03e65f28ef9642500a2471032602881e1a8","observation_id":"8f8cf0f5-36c4-4640-8bfb-e75a419bf7b1","resolution":{"observed_at":"2026-08-14T15:15:58.916480Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:58.920022Z","title":"R., Korista, K","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.920022Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:0c523dfd43444ad5008c42d584a1c274efa44fd317202effb8741cb8bc92b624","observation_id":"210648ba-fc77-4255-831c-396d722a1fa3","resolution":{"observed_at":"2026-08-14T15:15:58.920022Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:16:00.107099Z","title":"2008, PASP, 120, 405","venue":null,"work_id":"3de20255-c5c2-4ac1-9c36-f7fa09613ee7","year":2008},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.924108Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:91ee964f4ba932108172306282f4c6848f446b3d4770cf51dd4bb3cafb1f7c5c","observation_id":"ae1ff7a4-d725-4102-a0b6-debe3fdde7b9","resolution":{"observed_at":"2026-08-14T15:16:00.110536Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:16:00.096195Z","title":"J., et al","venue":null,"work_id":"03097cc9-f18f-4722-915e-76fb4ab95c89","year":2013},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.927633Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:c203f8c0620324630640915efe36835153c2aa7c14eae9f4af57c9c610709c91","observation_id":"c6323634-cc6c-4d98-a89c-f95e382b0585","resolution":{"observed_at":"2026-08-14T15:16:00.099814Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:16:00.084309Z","title":"1994, in Astronomical Society of the Pacific Conference Series, Vol","venue":null,"work_id":"07ae4da0-6e06-4e61-9c81-e81540f84d0e","year":1994},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.931163Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:2688ee2a5d26b9cef67f0fe6deb729e744beddb68ac8a19301c394678a1ae5c2","observation_id":"d764ab54-5379-4382-a28c-6963608c20fc","resolution":{"observed_at":"2026-08-14T15:16:00.088564Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:16:00.072343Z","title":"F., & Peterson, B","venue":null,"work_id":"5a79a0d7-ad1a-4eb1-9230-e5d008955608","year":1991},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.934664Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:b9fa928bfecbcb096b2a252247a47c1010ffac50bdbba734ff82f71bcbec7d34","observation_id":"f6f3a604-5c90-4b5b-8f38-b4972acd90e0","resolution":{"observed_at":"2026-08-14T15:16:00.076171Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:16:00.059721Z","title":null,"venue":null,"work_id":"008798fe-c6dc-4444-a807-0f036a5edf70","year":2000},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.938172Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:c4156da36b9bdb08703f9245112202fbdef2e9b6baef3463534b56249aa7b5d0","observation_id":"3b1cda83-520d-40eb-a646-211926363c11","resolution":{"observed_at":"2026-08-14T15:16:00.064524Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:16:00.008970Z","title":"2018, ApJ, 853, L25","venue":null,"work_id":"5f26ad25-6705-4ef0-8f86-b93be2b83dae","year":2018},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.941595Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:6f7f9f3c9ae685e2755e55d02f3eade8851ff91ce511f2ad295b3bc2af5de242","observation_id":"7cb6be9d-5fff-469f-98ae-ac8ed99f285b","resolution":{"observed_at":"2026-08-14T15:16:00.018142Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.995844Z","title":null,"venue":null,"work_id":"5078a2e7-6aef-4268-bc05-ae305539434e","year":2004},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.945219Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:387d66da5d6dff6ec0d1612c4caee6c1ea88863d0f7956219a1ef68a6ee4911e","observation_id":"437d84b6-8d11-4195-8ace-b7891db8da2f","resolution":{"observed_at":"2026-08-14T15:15:59.999088Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.985134Z","title":"S., et al","venue":null,"work_id":"269b3704-754d-40a1-9d2b-ddc245de7f41","year":2014},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.948606Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:a9b3574b274465f941d75db033e9cf6460e79063ead61aaf1a046f4d28992ff0","observation_id":"b48e50d7-8f5a-4c9a-b853-d221a302501e","resolution":{"observed_at":"2026-08-14T15:15:59.988673Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.974952Z","title":"2010, ApJ, 724, L183","venue":null,"work_id":"723a5e91-160e-435b-ab52-146d04959e21","year":2010},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.952248Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:0b55c56d62e8510ef1657cb97b1976475c26b51636c339ea46e7765b429a179f","observation_id":"d63cef22-1629-40d7-91df-6a0d94970458","resolution":{"observed_at":"2026-08-14T15:15:59.978225Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.965328Z","title":"2011, ApJ, 737, 105","venue":null,"work_id":"fb79a70b-50a1-4953-b507-a0e8434ebc37","year":2011},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.955759Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:7dc57d73cbcad3f3bbb5c10bb4ff0c592ea5d23ee8f1b678a814080d88491858","observation_id":"7feab85f-4903-4ac5-bd9d-b3fcd60d5be8","resolution":{"observed_at":"2026-08-14T15:15:59.968604Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.955161Z","title":"K., Everett, J","venue":null,"work_id":"908435db-8c08-41c8-bb9f-fb824fc7f9e2","year":2012},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.959350Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:8b5b19b0713a871609bde8fc58d81723bfc10fd732e8959adcb1a4ac3bfa3fd4","observation_id":"07e67a1c-d22d-41ab-8d92-a65cd1b50ac1","resolution":{"observed_at":"2026-08-14T15:15:59.958723Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.944523Z","title":"2008, Nature, 454, 492","venue":null,"work_id":"59234b39-1410-4fcd-82f1-910c117c54e3","year":2008},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.963464Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:6fa8df37ca32ff4eba736f16ccb1986d2ff4b94beb65ec48f4e1ac089123db4e","observation_id":"1f6276ed-6356-480b-91c3-2ebfa2397df1","resolution":{"observed_at":"2026-08-14T15:15:59.948117Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.934150Z","title":null,"venue":null,"work_id":"7e442e82-f095-4421-b9be-a373ba83b7d5","year":2011},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.966935Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:7252a48553bf891b61681b7731d8d60a6bb7eb977edb6805dbe1c5f014b1763a","observation_id":"807e8a71-d134-474e-91e8-c468e3fa5e89","resolution":{"observed_at":"2026-08-14T15:15:59.937776Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.923051Z","title":null,"venue":null,"work_id":"44afac7f-975d-4d61-8aef-555007a90a23","year":2009},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.970431Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:26be9d722e4a65ae5d71c4eaf255f340f250cb79b4bcab88d6eb34709731f694","observation_id":"a4a43eb3-13b7-4147-9dd8-1e26154ce17b","resolution":{"observed_at":"2026-08-14T15:15:59.927220Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.911760Z","title":"2013, ApJ, 775, L36","venue":null,"work_id":"750b40cf-13db-4fd6-b3f6-47ebeebd95ca","year":2013},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.973805Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:8ecdd682f91679ceac91b05e632c54014c34efbc6314b93689a474ea8a24b6b9","observation_id":"d316e3c4-ac91-4997-b829-9bce1680a1a0","resolution":{"observed_at":"2026-08-14T15:15:59.915845Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.901108Z","title":"F., Beckert, T., & Weigelt, G","venue":null,"work_id":"bb0c4945-e7aa-447d-b041-974652969e11","year":2007},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":51,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.978335Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:c494562ad1f201863d79698e2486655a18f635169246188dda0dedcb0796256b","observation_id":"2ae6502c-22c5-4542-9714-2b3d6a4ce649","resolution":{"observed_at":"2026-08-14T15:15:59.904782Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.890877Z","title":"1999, PASP, 111, 1","venue":null,"work_id":"c4be3120-b890-416d-a3c7-37b5f7f29501","year":1999},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.982316Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:821c2c165f0c706091fab46c0228d8a27551486c179e540f475627851abde5c5","observation_id":"962129b6-9bcf-47f1-b291-052072604ae1","resolution":{"observed_at":"2026-08-14T15:15:59.894376Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.879831Z","title":"2014, ApJ, 788, 159","venue":null,"work_id":"16f930ec-2195-463f-9c60-70d57cd5f670","year":2014},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.986264Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:32d9a2982a2de64c43ace7d27f402bb586d593e6171e8d709b85c00e426419e0","observation_id":"3f689c0b-8c65-424f-8690-1ccb06ee7452","resolution":{"observed_at":"2026-08-14T15:15:59.883803Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.869256Z","title":"2009, ApJ, 700, L109","venue":null,"work_id":"e6e98ca1-8036-4921-b4c4-293ab922cd0e","year":2009},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.989932Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:61ca8fc70889fcceb172918f8b4a3fbc0508a92bf91e77c3c88f3358b569b6e7","observation_id":"888266f7-148f-4d67-abba-60eb74b0769e","resolution":{"observed_at":"2026-08-14T15:15:59.872844Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.858076Z","title":null,"venue":null,"work_id":"a9b149fd-1620-45c0-b963-86d2a6ac74cb","year":1998},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":55,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.993403Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ed513b05fe0bc76c798978f225e7493bc19add9a517efbf8c0cf3851af7b3b9c","observation_id":"2e7935cd-59fe-4219-b3cd-e2446311cd31","resolution":{"observed_at":"2026-08-14T15:15:59.861722Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.847444Z","title":null,"venue":null,"work_id":"fdfdeca0-77b6-4084-b784-b4cc07b6cbce","year":2007},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":56,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:58.997230Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:6aa4290ec21d60c9616165b359fca35db7151198722e52a03de8b2f29a88fd87","observation_id":"26ce8bac-3daa-4d44-984b-f333af17c4d1","resolution":{"observed_at":"2026-08-14T15:15:59.850988Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.834763Z","title":"H., & Begelman, M","venue":null,"work_id":"b7c9e3ea-6845-4d88-a5c8-15fecfd08840","year":1986},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":57,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.000809Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:a0b5665222d237d18f4f19a28fb96d4e993873d17f5d50774cacee1519f743e5","observation_id":"97527862-3d5f-487a-97ac-51acc2e9884d","resolution":{"observed_at":"2026-08-14T15:15:59.838879Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.823243Z","title":"H., & Begelman, M","venue":null,"work_id":"4d4c1cc1-811d-4b38-8759-8c975ca3da71","year":1988},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":58,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.004116Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:33bfa44e579de19aca15151e4af66cba8209324326292bb17b0f7daff0327834","observation_id":"15876d08-e769-450e-8aa1-a42ba0a8ee5b","resolution":{"observed_at":"2026-08-14T15:15:59.826972Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.811625Z","title":"C., Ward, M","venue":null,"work_id":"78c995be-821a-46b2-af18-a2d099dd5698","year":2008},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":59,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.007428Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:e3f56acd89abc635711a0c17a0f238f0f6ccb04ff6423e155fdb59d0039df900","observation_id":"9fc293cb-c2fd-416b-af80-e5d3c84b9f29","resolution":{"observed_at":"2026-08-14T15:15:59.815790Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.799231Z","title":"L., & Barmby, P","venue":null,"work_id":"857e04da-0342-45a9-ad5e-5b3b032e60ae","year":2010},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":60,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.011308Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:54442019df824b3b5f3e380429080e1b0c9510f8f35644bf4e2f3b4d179d9b29","observation_id":"ba186fad-44a2-4606-9a19-e455e9ffe9e4","resolution":{"observed_at":"2026-08-14T15:15:59.803689Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.788214Z","title":"J., Elvis, M., & Karovska, M","venue":null,"work_id":"937f11f9-f6c3-45b5-8f0b-5fc060e87a66","year":2014},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":61,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.014942Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:27d2b3b93330b791b335d35daaaed3fa0977b2efe439b1652bf3fbb1651c2202","observation_id":"ca43433b-c631-4a3e-b028-e06ed17608c3","resolution":{"observed_at":"2026-08-14T15:15:59.791901Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.776739Z","title":"J., Steenbrugge, K","venue":null,"work_id":"0dc76332-a943-4c62-bf88-8cbce40b83a8","year":2015},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":62,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.018773Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:de5b31dbb1a3afe09523aaa149eb24f8cc968e8f3071c5a054351c7e2a1b15b7","observation_id":"8223ab62-e8fc-4fef-bacd-b8098d840791","resolution":{"observed_at":"2026-08-14T15:15:59.780787Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.022372Z","title":null,"venue":null,"work_id":null,"year":1993},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":63,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.022372Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:cc1fb7849f31f2adc469d577d19c27bbda4da8206911f2721d0fdca7142cf59d","observation_id":"208b7630-842e-414c-afe2-57b789a0203d","resolution":{"observed_at":"2026-08-14T15:15:59.022372Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.760208Z","title":"1987, PASP, 99, 309","venue":null,"work_id":"e76f9096-1593-4fbb-9441-f1cc7a29f3eb","year":1987},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":64,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.026298Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:3bb6e2023d26f0662cc4c9ba942f6c4fca0955eee9ccfa0828f43aac614568e6","observation_id":"33bd7067-2837-4024-b59a-57d5e752d3a0","resolution":{"observed_at":"2026-08-14T15:15:59.764358Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.029670Z","title":"1991, MNRAS, 252, 586","venue":null,"work_id":null,"year":1991},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":65,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.029670Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:c11d3c82050338db37d913fd897a5e5f17f0f2cf159b1397b0db1f09d40cbb5e","observation_id":"86ae08c4-7caf-427c-9925-a7284ccd37db","resolution":{"observed_at":"2026-08-14T15:15:59.029670Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.033188Z","title":"2003, ApJ, 591, 1220","venue":null,"work_id":null,"year":2003},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":66,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.033188Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:04a0b4fa94907cb9eb3048e3b14a3f3a3080e0cb4036dddd8244c706502857ee","observation_id":"5cea6df7-414c-40e2-aac0-9d83d35fee53","resolution":{"observed_at":"2026-08-14T15:15:59.033188Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.736327Z","title":"2017, MNRAS, 464, 1762","venue":null,"work_id":"3c4629e2-41b4-495d-b203-d3d74bca48d6","year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":67,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.036826Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:9ee1ec8a35aca6ae9cabda6ffcbeb91020d77dc3622132fe638916496bf6fa09","observation_id":"2d5c0bf7-2d19-44e4-8676-c75e363f0057","resolution":{"observed_at":"2026-08-14T15:15:59.739768Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.725145Z","title":"2013, MNRAS, 431, 2723","venue":null,"work_id":"ed00ef11-e024-426d-b15f-4c09d6633a8e","year":2013},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":68,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.041043Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:368b4b5174b641b0b5e43fdebd23ea5a449024e175b0c94a0045a90d94d212da","observation_id":"cf17370c-773d-492a-b903-8537ea1008b7","resolution":{"observed_at":"2026-08-14T15:15:59.729423Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.713855Z","title":"L., Heisler, C","venue":null,"work_id":"b4095121-649f-4de3-a9fd-3072a63f6d39","year":2001},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":69,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.045255Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:90db0c29a95ca360f4af886c5b11a5e58b20a681db7547025699f818d70a0e53","observation_id":"83d9fd6f-9701-4cfb-ae98-a48bba1d5339","resolution":{"observed_at":"2026-08-14T15:15:59.717695Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.702394Z","title":"2001, A&A, 365, 37","venue":null,"work_id":"a19a11b6-0246-402f-ae1f-8efd45057c18","year":2001},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":70,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.048788Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:4b31a7e32bd8a1ec0a845687e0f6722e10c3bdfe9323f14d8e006b8362fee7a1","observation_id":"b3ee7bc3-1f31-4ceb-8ee1-5febe734e208","resolution":{"observed_at":"2026-08-14T15:15:59.706067Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"0902.2850","last_updated":"2009-02-17T08:01:04Z","snapshot_observed_at":"2026-08-15T05:54:51.932545Z","submitted_at":"2009-02-17T08:01:04Z","title":"Non-linear Least Squares Fitting in IDL with MPFIT","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"0902.2850","snapshot_observed_at":"2026-08-14T15:15:59.052673Z","title":null,"venue":null,"work_id":null,"year":2009},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":71,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.052673Z"},"links":{"cited_paper":"/paper/0902.2850","citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:20477b7e09ec27fd553e74885bad99f0a120f2c20bac1dec4d96fc680ef67ca6","observation_id":"8714bf74-0aa0-440c-9cc7-26e56b5892ed","resolution":{"observed_at":"2026-08-14T15:15:59.052673Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.691917Z","title":"2017, ApJ, 846, 55","venue":null,"work_id":"25c6f660-ce3e-4fdd-9ad3-8ccf86b79aaf","year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":72,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.056625Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:271be05845d0c5a2f9460a4a4515f4795286de8d32bddecd543a594201ed5f4a","observation_id":"32935bfd-bec0-438d-98bf-ff36fdbe1b87","resolution":{"observed_at":"2026-08-14T15:15:59.695471Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.681315Z","title":"J., et al","venue":null,"work_id":"e8e490bb-6b09-4f60-b934-f5f620e84b89","year":2003},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":73,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.060141Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:1191f5cd7dd826b3a3eb4a2bb1e70d807b73b7270099efe2dabc7c96b5be8e7c","observation_id":"298117b6-f992-40ad-a6cd-7ea4ff458b73","resolution":{"observed_at":"2026-08-14T15:15:59.685172Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.669940Z","title":"2015, A&A, 575, A22","venue":null,"work_id":"f801174e-0978-4668-80e6-4f236ea4a680","year":2015},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":74,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.064235Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:a3b7965cddb8c9addbabf40e163bcc0898645a5fcfa84fcc8c02d77a8d7d8a85","observation_id":"c24c8e75-8e0f-402e-81c0-0a099521907c","resolution":{"observed_at":"2026-08-14T15:15:59.673759Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.658631Z","title":null,"venue":null,"work_id":"0e3243f9-2a57-46f6-851d-5c9fe9e71aad","year":2004},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":75,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.067900Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:15915d52b63b42ff79a694850d11739b6ea5647fcc60ad49f0bf521fbfbaf2dc","observation_id":"885a5c5d-25a3-46ee-87eb-2735733a7268","resolution":{"observed_at":"2026-08-14T15:15:59.662992Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.072298Z","title":"2012, MNRAS, 420, 526","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":76,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.072298Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:1bf93710593b7478cc49242cf57d7ad41ecb95753cbbd8f56d76638912dafaff","observation_id":"13d33271-1dd6-4d30-9e96-a82ef05a392d","resolution":{"observed_at":"2026-08-14T15:15:59.072298Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.641655Z","title":"2012, AJ, 143, 142","venue":null,"work_id":"11281e43-0961-4816-b577-155c7d1f2d65","year":2012},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":77,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.076203Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:7433fe5afab3a20672fba3e571bfee0243b742c338b8d1b0e1a8fe6b0be5964f","observation_id":"20f2a32a-2ff7-4b8c-a38f-ae59837e425e","resolution":{"observed_at":"2026-08-14T15:15:59.645568Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.631241Z","title":null,"venue":null,"work_id":"12a3a998-4e6b-4aeb-974d-bc11e15fa629","year":1996},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":78,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.079888Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:6982a6cce468a97b66502694b69db2fa9bb32e369b4781a048c2cb654d2e4cdc","observation_id":"eaf89f71-6f3c-426e-869a-a5760f131fa9","resolution":{"observed_at":"2026-08-14T15:15:59.634803Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.619589Z","title":"M., Ivezi´ c, Z., & Elitzur, M","venue":null,"work_id":"8f3ff3bd-47e4-4b6a-b088-a6007d545df0","year":2008},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":79,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.083925Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:a13bcec41f243e2ec06e2f097450b1c938d43310884aa9501c116e3a37d42785","observation_id":"b93dff2d-0922-44b3-96db-d8e928112201","resolution":{"observed_at":"2026-08-14T15:15:59.623327Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.608338Z","title":"1987, MNRAS, 225, 55","venue":null,"work_id":"42b88ac4-5143-456c-ac9c-31d3d2493799","year":1987},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":80,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.087739Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:fbd4f7edd95bec7eaee04cfc86dfc9a4bb48f73033c70a5deb5271bec5618e5c","observation_id":"10b0e1c2-a76f-487e-b1d5-166d26f2b904","resolution":{"observed_at":"2026-08-14T15:15:59.612182Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.091401Z","title":"2015, ARA&A, 53, 365","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":81,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.091401Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:22359c731d5efbb105f04e1cc1575c437d03c594320e8b4e5389a2ed7de93f08","observation_id":"a677647f-5d46-4670-82c1-29f8a5164315","resolution":{"observed_at":"2026-08-14T15:15:59.091401Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.590915Z","title":"1993, ApJ, 404, L51","venue":null,"work_id":"976f7e75-335c-4877-a15f-571fb23a74b9","year":1993},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":82,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.095453Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ec47c1dfb965ded590e1a59b1276139c50a759dffba6439cb9caa8661ed24ae0","observation_id":"17b3c375-d98b-4066-bdb7-52710b791e40","resolution":{"observed_at":"2026-08-14T15:15:59.595282Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.579542Z","title":"L., & Horne, K","venue":null,"work_id":"1f7ca2c0-72cb-422f-9391-6e4806512172","year":2001},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":83,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.099371Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:8911a113061e0e48b31e331c6eecc63000411eac1d2bd4b966a01b43812b882d","observation_id":"cd02944d-2fa0-43a1-b240-6873c2531f9c","resolution":{"observed_at":"2026-08-14T15:15:59.583142Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.569085Z","title":null,"venue":null,"work_id":"0a0d75b4-b69d-4104-9de4-139c3242081c","year":2005},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":84,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.103202Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:393646b28966b165abb4ac2afdeaa79ac2b0b3acde74bc19c0cfc9b23b12bb56","observation_id":"b2e38c02-d953-45d3-b2d5-38f642743ecb","resolution":{"observed_at":"2026-08-14T15:15:59.572748Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.106698Z","title":"J., & Treu, T","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":85,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.106698Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:df11a427b15c2f1a1b7af68b1a0e0ca7a7a9937d1624f690fa845cdb886c5252","observation_id":"39c6e0ec-f07a-46bd-be6c-27baa70d2566","resolution":{"observed_at":"2026-08-14T15:15:59.106698Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.551566Z","title":"J., Treu, T., Park, D., Barth, A","venue":null,"work_id":"86fdba05-d510-4e2f-932a-18da66344077","year":2014},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":86,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.110479Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:783f5c39e7b58350ca3f73dcfa72712ecaebc569ef7b16dc1cd326e0fd4e01d2","observation_id":"34638802-e54b-46ea-9384-c3f70c5cf502","resolution":{"observed_at":"2026-08-14T15:15:59.555114Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.540133Z","title":"2017, ApJ, 837, 131","venue":null,"work_id":"86d79990-a661-43dc-a233-3852588cfa55","year":2017},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":87,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.114387Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ec62a85ff0f03a9a7d42353ff0941e9239e8434938a09ec51cdbe648187ff913","observation_id":"2fb95b6e-7f6a-48d5-a25f-71360f04f966","resolution":{"observed_at":"2026-08-14T15:15:59.544312Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.118049Z","title":"Y., Ho, L","venue":null,"work_id":null,"year":2002},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":88,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.118049Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:899903181aad6cd145afd74c54cfaa34308b29d69f7b612528eab56a81073ca1","observation_id":"fd965953-6588-4698-8254-806ea6a4fa9c","resolution":{"observed_at":"2026-08-14T15:15:59.118049Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.121437Z","title":null,"venue":null,"work_id":null,"year":1993},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":89,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.121437Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:ee00d3c4f8449716541740fc9150aaea8878f4440962a99f6c7d3f1700b7521f","observation_id":"8deef012-da5a-4aa1-b0f9-850ddc353dab","resolution":{"observed_at":"2026-08-14T15:15:59.121437Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.125518Z","title":null,"venue":null,"work_id":null,"year":1997},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":90,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.125518Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:1c7d43f4a95a900f81f2b4edd23d9996d9fdb528ed2d96514c9180223a617880","observation_id":"4d2151f7-1851-4ce8-9687-ee73df58ff53","resolution":{"observed_at":"2026-08-14T15:15:59.125518Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.509773Z","title":"M., et al","venue":null,"work_id":"c631aed5-4405-4298-8439-f37441f7ed3a","year":2013},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":91,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.129395Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:2c3e75137838e88dc82db07ca3ff61f55f0916d4a8f2830f619d68704c6cc032","observation_id":"0dce1b4c-2d75-4243-a7a3-96d040e88f5c","resolution":{"observed_at":"2026-08-14T15:15:59.513572Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.499684Z","title":"M., et al","venue":null,"work_id":"9a8bcd4f-413e-486f-a848-ace5fc9a4260","year":2004},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":92,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.133325Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:bd87aef02787cd5462dca766341e38581cf070d6ae4ebd622942bbe4d77e8ba8","observation_id":"0d047325-f4e7-4181-b996-d9ec3a437d63","resolution":{"observed_at":"2026-08-14T15:15:59.503001Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.489735Z","title":"A., & Krolik, J","venue":null,"work_id":"8b0afc1c-c08c-4ed2-914e-750f1ad95539","year":1992},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":93,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.136937Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:8e3666dc24acd48b967de5642df27d0d3ffadfa3a14da69a123a3f186245ae94","observation_id":"e464d665-96f9-41ad-86e8-883db6f273dd","resolution":{"observed_at":"2026-08-14T15:15:59.493096Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.479805Z","title":"A., & Voit, G","venue":null,"work_id":"c1e5023c-a1ba-4e6e-8f51-aa917a61c11d","year":1995},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":94,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.140506Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:f52b6947d98a399154edd5d30ba0ef9fe55fba1aa8aa18815ae67bb22adc0879","observation_id":"80b4aa65-3b37-4fe1-a148-e064f9621583","resolution":{"observed_at":"2026-08-14T15:15:59.483076Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.469601Z","title":"M., Sch¨ odel, R., & Woillez, J","venue":null,"work_id":"dedeebae-23b5-43fb-8efa-55b18a8176e1","year":2010},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":95,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.143920Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:68f602bc6a70c3b401f6fed98198ca5f39c9c1483cd99768ed6c0a155103a194","observation_id":"3a662846-1040-4eba-9997-be85ac2fca22","resolution":{"observed_at":"2026-08-14T15:15:59.473234Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.458880Z","title":"T., Toomey, D","venue":null,"work_id":"8356bf7f-aaba-4575-8bb7-6e55f345d180","year":2003},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":96,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.147618Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:14c49e72d51ea7e30f2bddbc197e6161ed254a63f0bff979729a9a012b81dbd3","observation_id":"3e0305a4-3c06-413f-976b-23ad50ade2c1","resolution":{"observed_at":"2026-08-14T15:15:59.462790Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.447668Z","title":"J., Silk, J","venue":null,"work_id":"b4b3633e-0a67-42bd-a105-dc02e53d48ba","year":1969},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":97,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.151033Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:da6acf64af30f7d562d6dbb0b9652f62747d1579cc3c4ba849b9c2f8c3deffee","observation_id":"4975cd29-3e2b-4eff-9ef0-a173c675a57b","resolution":{"observed_at":"2026-08-14T15:15:59.451760Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.435931Z","title":null,"venue":null,"work_id":"95e9efd7-8b78-4668-a3d9-b2ed6e8753ee","year":1977},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":98,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.154620Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:aaa246cc77ada2b0552f6eadc50b1da2fe2e0644b7bf86a2de7f7bd4ced41dc6","observation_id":"6e72d7c2-e71b-4dce-b9f9-e9ce6c94ae3c","resolution":{"observed_at":"2026-08-14T15:15:59.439948Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.424450Z","title":"2015, A&A, 578, A57 Sch¨ onell, A","venue":null,"work_id":"144f7804-53fd-4bd9-999d-d6c7cfb87a7b","year":2015},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":99,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.159279Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:928f3d4990ab9aa3fde200c622071348274f22f0f912788456909d9538b4fa02","observation_id":"9a0db1e7-ddba-4aed-879e-0b14bfce54a4","resolution":{"observed_at":"2026-08-14T15:15:59.428728Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T15:15:59.412271Z","title":"2015, ApJS, 216, 4","venue":null,"work_id":"0292beb2-db22-461c-8106-2cb7e9aabcee","year":2015},"citing_paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548","version":1},"reference_index":100,"source":"pdf_text","source_observed_at":"2026-08-14T15:15:59.163154Z"},"links":{"citing_paper":"/paper/1908.01627"},"observation_digest":"sha256:b5ebca8eb0ba9cde674812881f40ca12fb1ee9b71f1ee4615261cbe6811f815d","observation_id":"ae47e8c0-cfc4-426a-ba1a-4210c34df213","resolution":{"observed_at":"2026-08-14T15:15:59.416198Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"1908.01627","last_updated":"2019-08-05T14:01:24Z","latest_version":1,"primary_category":"astro-ph.GA","snapshot_observed_at":"2026-08-16T07:06:09.738780Z","submitted_at":"2019-08-05T14:01:24Z","title":"The first spectroscopic dust reverberation programme on active galactic nuclei: the torus in NGC 5548"},"reference_resolution":{"displayed":100,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":55,"verified_exact":0,"verified_fuzzy":45},"total_outbound_references":114},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 100 of 114 outbound references and 0 inbound Pith citation observations for arXiv:1908.01627."}