{"as_of":"2026-08-10T06:36:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:fc2c8df9ca3c0766440c5c6dbbf17bd9cf7a796e7ef57be8d4e093ee982671bc","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":7,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":7,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-10T06:31:04.303077+00:00","state":"measured"},{"denominator":7,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":7,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T11:35:06.364022Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-07-02T00:26:23.763132Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors","version":2},"cited_work":{"arxiv_id":"2109.09757","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2109.09757","snapshot_observed_at":"2026-07-02T00:26:23.763132Z","title":"Ease of excitation of black hole ring- ing: Quantifying the importance of overtones by the excitation factors","venue":null,"work_id":"e017d282-9773-4174-9408-68a2d2a4ee42","year":2021},"citing_paper":{"arxiv_id":"2505.23895","last_updated":"2025-08-24T14:24:16Z","snapshot_observed_at":"2026-08-01T14:00:16.213665Z","submitted_at":"2025-05-29T18:00:01Z","title":"Black hole spectroscopy: from theory to experiment","version":2},"reference_index":155,"source":"pdf_text","source_observed_at":"2026-05-12T01:31:22.627350Z"},"links":{"cited_paper":"/paper/2109.09757","citing_paper":"/paper/2505.23895"},"observation_digest":"sha256:ba80f4056af08eedd6ebb42efb633936fe0c8dda5968dfbb41a9c3d43f990552","observation_id":"628b49bf-225f-46ce-8521-df82077a7d35","resolution":{"observed_at":"2026-05-12T01:31:23.114940Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.09757","snapshot_observed_at":"2026-08-07T11:35:06.364022Z","title":"Ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors,","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2506.02189","last_updated":"2025-06-02T19:24:06Z","snapshot_observed_at":"2026-08-07T15:45:20.754859Z","submitted_at":"2025-06-02T19:24:06Z","title":"Self-force framework for merger-ringdown waveforms","version":1},"reference_index":95,"source":"pdf_text","source_observed_at":"2026-08-07T11:35:06.364022Z"},"links":{"cited_paper":"/paper/2109.09757","citing_paper":"/paper/2506.02189"},"observation_digest":"sha256:45466cbc8f94b8736a2e5d8626a31ddeab2480db98679c8295773cf25bc82b1d","observation_id":"c6a559bb-4028-4851-a578-eb9953d9c60c","resolution":{"observed_at":"2026-08-07T11:35:06.364022Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.09757","snapshot_observed_at":"2026-08-04T19:41:18.902677Z","title":"Oshita, Phys","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2509.09165","last_updated":"2025-09-11T05:48:16Z","snapshot_observed_at":"2026-08-06T05:34:14.678824Z","submitted_at":"2025-09-11T05:48:16Z","title":"Probing Direct Waves in Black Hole Ringdowns","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-04T19:41:18.902677Z"},"links":{"cited_paper":"/paper/2109.09757","citing_paper":"/paper/2509.09165"},"observation_digest":"sha256:0f63aaddf2ce32925a6980b7a57e6656e195f095a2be60bf87ce8f809965beb3","observation_id":"70cac9ec-0e92-49ea-8a2a-dfa6b9d49bb9","resolution":{"observed_at":"2026-08-04T19:41:18.902677Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.09757","snapshot_observed_at":"2026-08-03T13:08:00.896854Z","title":"Oshita, Phys","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2601.00704","last_updated":"2026-06-02T06:09:02Z","snapshot_observed_at":"2026-08-03T13:07:57.101155Z","submitted_at":"2026-01-02T14:55:59Z","title":"Exceptional Lines and Excitation of (Nearly) Double-Pole Quasinormal Modes: A Semi-Analytic Study in the Nariai Black Hole","version":2},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-03T13:08:00.896854Z"},"links":{"cited_paper":"/paper/2109.09757","citing_paper":"/paper/2601.00704"},"observation_digest":"sha256:f5a116c0ddcccff3eb85e23af41bcc6c968b12e8976fab991ceb39f72b083b89","observation_id":"9db33c6b-43a5-40ac-a980-868e88c70133","resolution":{"observed_at":"2026-08-03T13:08:00.896854Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors","version":2},"cited_work":{"arxiv_id":"2109.09757","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2109.09757","snapshot_observed_at":"2026-07-02T00:26:23.763132Z","title":"Ease of excitation of black hole ring- ing: Quantifying the importance of overtones by the excitation factors","venue":null,"work_id":"e017d282-9773-4174-9408-68a2d2a4ee42","year":2021},"citing_paper":{"arxiv_id":"2604.13208","last_updated":"2026-06-08T11:02:34Z","snapshot_observed_at":"2026-08-02T21:20:33.327867Z","submitted_at":"2026-04-14T18:30:45Z","title":"Axial Oscillations of Viscous Neutron Stars","version":1},"reference_index":101,"source":"pdf_text","source_observed_at":"2026-05-10T14:26:31.751897Z"},"links":{"cited_paper":"/paper/2109.09757","citing_paper":"/paper/2604.13208"},"observation_digest":"sha256:a3a1e409a0aeeb5cd67c3318c4cdc85bf56f83f217fa9186744e4ec7bcf975f0","observation_id":"2010e7a1-c3c1-440c-9665-82ed792fc84a","resolution":{"observed_at":"2026-05-11T11:36:00.636887Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors","version":2},"cited_work":{"arxiv_id":"2109.09757","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2109.09757","snapshot_observed_at":"2026-07-02T00:26:23.763132Z","title":"Ease of excitation of black hole ring- ing: Quantifying the importance of overtones by the excitation factors","venue":null,"work_id":"e017d282-9773-4174-9408-68a2d2a4ee42","year":2021},"citing_paper":{"arxiv_id":"2605.24704","last_updated":"2026-05-23T19:05:32Z","snapshot_observed_at":"2026-07-06T23:34:47.734159Z","submitted_at":"2026-05-23T19:05:32Z","title":"Shaping black hole resonances I. Black hole ringdown as a spectral filtering process","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-06-30T12:56:20.613880Z"},"links":{"cited_paper":"/paper/2109.09757","citing_paper":"/paper/2605.24704"},"observation_digest":"sha256:7bc685e856fa8c137639ce3ee514fb1f180d34e19d7527e5b16292c7fa1f48c5","observation_id":"85fa0539-e22a-42e9-8925-f0b519ee0f6d","resolution":{"observed_at":"2026-06-30T13:14:41.166767Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors","version":2},"cited_work":{"arxiv_id":"2109.09757","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2109.09757","snapshot_observed_at":"2026-07-02T00:26:23.763132Z","title":"Ease of excitation of black hole ring- ing: Quantifying the importance of overtones by the excitation factors","venue":null,"work_id":"e017d282-9773-4174-9408-68a2d2a4ee42","year":2021},"citing_paper":{"arxiv_id":"2606.02146","last_updated":"2026-06-01T12:12:46Z","snapshot_observed_at":"2026-08-07T14:55:24.876235Z","submitted_at":"2026-06-01T12:12:46Z","title":"Spectral suppression of black hole ringdown tails","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-06-28T13:25:28.088930Z"},"links":{"cited_paper":"/paper/2109.09757","citing_paper":"/paper/2606.02146"},"observation_digest":"sha256:3ff8f8199db26434d1f20963ea9f30531c52ec444c2f3f69b37ada897faf2a1b","observation_id":"9a5529dd-d992-4b77-b877-1bb60b43f5c9","resolution":{"observed_at":"2026-07-02T00:26:23.765242Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2109.09757/citation-record","integrity":"/paper/2109.09757/integrity","json":"/paper/2109.09757/citation-record.json","paper":"/paper/2109.09757"},"outbound":[],"paper":{"arxiv_id":"2109.09757","last_updated":"2021-09-29T09:40:15Z","latest_version":2,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-08T03:31:30.171187Z","submitted_at":"2021-09-20T18:00:02Z","title":"On the ease of excitation of black hole ringing: Quantifying the importance of overtones by the excitation factors"},"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":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 7 inbound Pith citation observations for arXiv:2109.09757."}