{"as_of":"2026-08-20T10:53:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:54de79d112c2059518df370d61259a88e489a971512d9b2aa5336b9cc6ee8300","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":8,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":8,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-20T06:33:59.587034+00:00","state":"measured"},{"denominator":8,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":8,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T14:26:47.141305Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":1,"source":"pith","source_observed_at":"2026-08-05T02:28:24.338817Z","state":"measured"}],"external_citation_measurements":[{"count":100,"observed_at":"2026-08-05T02:28:24.338817Z","source":"pith"}],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-14T14:26:47.141305Z","title":"B., Oberg, K","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.03267","last_updated":"2019-08-08T21:08:06Z","snapshot_observed_at":"2026-08-19T22:50:16.803677Z","submitted_at":"2019-08-08T21:08:06Z","title":"Systematic Variations of CO Gas Abundance with Radius in Gas-rich Protoplanetary Disks","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T14:26:47.141305Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/1908.03267"},"observation_digest":"sha256:c99290056c4d839517b9c88b88cf2887c03f23f7888e263c439b6a8fc2e82951","observation_id":"a56fdccd-ca9f-454c-b455-b683cc1fdcda","resolution":{"observed_at":"2026-08-14T14:26:47.141305Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":"1904.09315","doi":"10.3847/1538-4357/ab141e","metadata_source":"pith","pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-05T02:49:54.815029Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","venue":"astro-ph.EP","work_id":"331acb26-68fc-4c13-81ab-d6a4b29ccf66","year":2019},"citing_paper":{"arxiv_id":"2606.25794","last_updated":"2026-06-26T03:14:18Z","snapshot_observed_at":"2026-07-07T00:00:12.737052Z","submitted_at":"2026-06-24T13:13:23Z","title":"Substructures in Planet-Forming Disks with the SKAO","version":1},"reference_index":119,"source":"arxiv_source","source_observed_at":"2026-07-11T11:50:26.030339Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/2606.25794"},"observation_digest":"sha256:3d2909270e3c4ac604f9a96e7f4309016ca5958fd2acd8bc9cebc3b090d4de8a","observation_id":"173f07af-bca1-4763-a8cd-3e84a63906df","resolution":{"observed_at":"2026-06-25T19:38:18.090878Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"standing_notice":{"events":[{"edge_observation":{"observed_at":"2026-07-11T11:51:00.361358+00:00","source":"paper_reference_links","state":"open"},"event_date":"2020-06-25","event_type":"correction","notice_doi":"10.3847/1538-4357/ab98f7","provenance":{"observed_at":"2026-07-11T03:09:27.842208+00:00","source":"crossref","source_record_id":"10.3847/1538-4357/ab98f7->10.3847/1538-4357/ab141e:correction"}}],"reason":null,"source_receipts":[{"observed_at":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":"1904.09315","doi":"10.3847/1538-4357/ab141e","metadata_source":"pith","pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-05T02:49:54.815029Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","venue":"astro-ph.EP","work_id":"331acb26-68fc-4c13-81ab-d6a4b29ccf66","year":2019},"citing_paper":{"arxiv_id":"2606.25794","last_updated":"2026-06-26T03:14:18Z","snapshot_observed_at":"2026-07-07T00:00:12.737052Z","submitted_at":"2026-06-24T13:13:23Z","title":"Substructures in Planet-Forming Disks with the SKAO","version":2},"reference_index":119,"source":"arxiv_source","source_observed_at":"2026-07-11T11:50:26.030339Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/2606.25794"},"observation_digest":"sha256:82e4d4dc467918ee8662ca1a553a415b92e4403985577e39e0a1c97f0b81902f","observation_id":"9ae68b96-3628-4bfe-8087-dce782f6b196","resolution":{"observed_at":"2026-06-29T05:03:08.924196Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"standing_notice":{"events":[{"edge_observation":{"observed_at":"2026-07-11T11:51:00.361358+00:00","source":"paper_reference_links","state":"open"},"event_date":"2020-06-25","event_type":"correction","notice_doi":"10.3847/1538-4357/ab98f7","provenance":{"observed_at":"2026-07-11T03:09:27.842208+00:00","source":"crossref","source_record_id":"10.3847/1538-4357/ab98f7->10.3847/1538-4357/ab141e:correction"}}],"reason":null,"source_receipts":[{"observed_at":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":"1904.09315","doi":"10.3847/1538-4357/ab141e","metadata_source":"pith","pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-05T02:49:54.815029Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","venue":"astro-ph.EP","work_id":"331acb26-68fc-4c13-81ab-d6a4b29ccf66","year":2019},"citing_paper":{"arxiv_id":"2606.27476","last_updated":"2026-06-25T18:56:07Z","snapshot_observed_at":"2026-08-16T06:47:59.239267Z","submitted_at":"2026-06-25T18:56:07Z","title":"Chemical Divergence and Water Depletion: Gas Properties of Evolved Upper Scorpius Disks Revealed by JWST/MIRI","version":1},"reference_index":205,"source":"arxiv_source","source_observed_at":"2026-07-11T11:50:26.030339Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/2606.27476"},"observation_digest":"sha256:7dad2c04e0b94bdcc4d8e7a9289d362ed1cf35ff3771c3adfcd4adcded617ce2","observation_id":"deb6e202-dbfa-4eb0-af89-b1373c3cd97d","resolution":{"observed_at":"2026-06-29T01:12:56.024745Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"standing_notice":{"events":[{"edge_observation":{"observed_at":"2026-07-11T11:51:00.361358+00:00","source":"paper_reference_links","state":"open"},"event_date":"2020-06-25","event_type":"correction","notice_doi":"10.3847/1538-4357/ab98f7","provenance":{"observed_at":"2026-07-11T03:09:27.842208+00:00","source":"crossref","source_record_id":"10.3847/1538-4357/ab98f7->10.3847/1538-4357/ab141e:correction"}}],"reason":null,"source_receipts":[{"observed_at":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":"1904.09315","doi":"10.3847/1538-4357/ab141e","metadata_source":"pith","pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-05T02:49:54.815029Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","venue":"astro-ph.EP","work_id":"331acb26-68fc-4c13-81ab-d6a4b29ccf66","year":2019},"citing_paper":{"arxiv_id":"2606.27476","last_updated":"2026-06-25T18:56:07Z","snapshot_observed_at":"2026-08-16T06:47:59.239267Z","submitted_at":"2026-06-25T18:56:07Z","title":"Chemical Divergence and Water Depletion: Gas Properties of Evolved Upper Scorpius Disks Revealed by JWST/MIRI","version":1},"reference_index":237,"source":"arxiv_source","source_observed_at":"2026-06-29T01:07:57.221304Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/2606.27476"},"observation_digest":"sha256:aff34a1aee240bc7dc96504803ace34a6718c458339727ca8c2be617148ee312","observation_id":"82b49dc8-7c7d-49b8-ad7f-8754e7e45a82","resolution":{"observed_at":"2026-07-01T19:06:02.982389Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[{"edge_observation":{"observed_at":"2026-07-11T11:51:00.361358+00:00","source":"paper_reference_links","state":"open"},"event_date":"2020-06-25","event_type":"correction","notice_doi":"10.3847/1538-4357/ab98f7","provenance":{"observed_at":"2026-07-11T03:09:27.842208+00:00","source":"crossref","source_record_id":"10.3847/1538-4357/ab98f7->10.3847/1538-4357/ab141e:correction"}}],"reason":null,"source_receipts":[{"observed_at":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":"1904.09315","doi":"10.3847/1538-4357/ab141e","metadata_source":"pith","pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-05T02:49:54.815029Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","venue":"astro-ph.EP","work_id":"331acb26-68fc-4c13-81ab-d6a4b29ccf66","year":2019},"citing_paper":{"arxiv_id":"2607.07571","last_updated":"2026-07-08T15:58:57Z","snapshot_observed_at":"2026-08-06T13:07:48.582997Z","submitted_at":"2026-07-08T15:58:57Z","title":"Ionized gas emission in protoplanetary disks with the SKAO","version":1},"reference_index":162,"source":"arxiv_source","source_observed_at":"2026-07-11T11:50:26.030339Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/2607.07571"},"observation_digest":"sha256:9fb716fca2c1c4ac1972d8a9ad2c91c274b3d3212b1392067ac931ed974c4002","observation_id":"27173a99-4f41-4eb7-b92d-ca42a3452955","resolution":{"observed_at":"2026-07-09T06:56:04.098358Z","resolver_source":"local_arxiv","status":"metadata_mismatch"},"standing_notice":{"events":[{"edge_observation":{"observed_at":"2026-07-11T11:51:00.361358+00:00","source":"paper_reference_links","state":"open"},"event_date":"2020-06-25","event_type":"correction","notice_doi":"10.3847/1538-4357/ab98f7","provenance":{"observed_at":"2026-07-11T03:09:27.842208+00:00","source":"crossref","source_record_id":"10.3847/1538-4357/ab98f7->10.3847/1538-4357/ab141e:correction"}}],"reason":null,"source_receipts":[{"observed_at":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-01T22:01:29.075352Z","title":", keywords =","venue":null,"work_id":null,"year":1904},"citing_paper":{"arxiv_id":"2607.15923","last_updated":"2026-07-17T13:05:21Z","snapshot_observed_at":"2026-08-18T11:59:07.331510Z","submitted_at":"2026-07-17T13:05:21Z","title":"Extending dynamical mass measurements: probing GI as a possible origin of mm-dust spirals","version":1},"reference_index":137,"source":"arxiv_source","source_observed_at":"2026-08-01T22:01:29.075352Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/2607.15923"},"observation_digest":"sha256:dac202e734ffd0bc091d8d43960af626b55e0c345b2f72129d0fe63744216979","observation_id":"4b48999e-02cb-469f-95d3-3c286ef03c14","resolution":{"observed_at":"2026-08-01T22:01:29.075352Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.09315","snapshot_observed_at":"2026-08-11T13:55:45.226027Z","title":", keywords =","venue":null,"work_id":null,"year":1904},"citing_paper":{"arxiv_id":"2608.09627","last_updated":"2026-08-10T14:06:51Z","snapshot_observed_at":"2026-08-18T06:54:08.306843Z","submitted_at":"2026-08-10T14:06:51Z","title":"A Chemical Inventory of the Disk around the Class 0 Protostar L1527 IRS with ALMA","version":1},"reference_index":152,"source":"arxiv_source","source_observed_at":"2026-08-11T13:55:45.226027Z"},"links":{"cited_paper":"/paper/1904.09315","citing_paper":"/paper/2608.09627"},"observation_digest":"sha256:0731e9e7548a502a8f5b84517ae504296ef4f348a1a5e1351ad226a0242a9e95","observation_id":"1753fa22-f9f7-43a1-b589-f1e24fdf7dbf","resolution":{"observed_at":"2026-08-11T13:55:45.226027Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1904.09315/citation-record","integrity":"/paper/1904.09315/integrity","json":"/paper/1904.09315/citation-record.json","paper":"/paper/1904.09315"},"outbound":[],"paper":{"arxiv_id":"1904.09315","last_updated":"2019-04-19T18:55:59Z","latest_version":1,"primary_category":"astro-ph.EP","snapshot_observed_at":"2026-08-19T22:50:42.131150Z","submitted_at":"2019-04-19T18:55:59Z","title":"A survey of C2H, HCN, and C18O in protoplanetary disks"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"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":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"thesis":"As of 20 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 8 inbound Pith citation observations for arXiv:1904.09315."}