{"as_of":"2026-08-16T06:30:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f1872521e0f0191030369d978b775bcf35069dd5f9b1617c1bc147f22eff3a6a","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":4,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":4,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-15T06:32:42.880941+00:00","state":"measured"},{"denominator":4,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":4,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-15T22:51:46.904328Z","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":76,"observed_at":"2026-08-05T02:28:24.338817Z","source":"pith"}],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1811.00047","last_updated":"2019-02-11T19:57:00Z","snapshot_observed_at":"2026-08-14T18:06:08.760303Z","submitted_at":"2018-10-31T18:19:59Z","title":"Intrinsic curvature and topology of shadows in Kerr spacetime","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1811.00047","snapshot_observed_at":"2026-08-14T13:45:22.874550Z","title":null,"venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.04527","last_updated":"2021-05-02T05:24:22Z","snapshot_observed_at":"2026-08-15T19:25:42.524946Z","submitted_at":"2019-08-13T07:52:37Z","title":"Effect of gravitational wave on shadow of a Schwarzschild black hole","version":7},"reference_index":56,"source":"pdf_text","source_observed_at":"2026-08-14T13:45:22.874550Z"},"links":{"cited_paper":"/paper/1811.00047","citing_paper":"/paper/1908.04527"},"observation_digest":"sha256:5d3897f10c2d8dc2233b1b323de8395d9e94b5a31e4297a48c9eabf023a07b24","observation_id":"4ae016d4-d641-42dd-ab6c-7f0c3cf1295f","resolution":{"observed_at":"2026-08-14T13:45:22.874550Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1811.00047","last_updated":"2019-02-11T19:57:00Z","snapshot_observed_at":"2026-08-14T18:06:08.760303Z","submitted_at":"2018-10-31T18:19:59Z","title":"Intrinsic curvature and topology of shadows in Kerr spacetime","version":3},"cited_work":{"arxiv_id":"1811.00047","doi":"10.1103/physrevd.99.041303","metadata_source":"pith","pith_arxiv_id":"1811.00047","snapshot_observed_at":"2026-08-05T02:28:24.338817Z","title":"Intrinsic curvature and topology of shadows in Kerr spacetime","venue":"gr-qc","work_id":"b9ab5687-7136-4f87-907a-5cad80f3ef2d","year":2018},"citing_paper":{"arxiv_id":"2503.21203","last_updated":"2026-03-10T05:04:14Z","snapshot_observed_at":"2026-08-14T10:42:12.481704Z","submitted_at":"2025-03-27T06:45:23Z","title":"Massive particle surfaces and black hole shadows from intrinsic curvature","version":2},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-07-11T11:50:26.030339Z"},"links":{"cited_paper":"/paper/1811.00047","citing_paper":"/paper/2503.21203"},"observation_digest":"sha256:f0e279696aa66bd4b7406d0eb9f10547842c7984c03a76211ee2f6d204c825c2","observation_id":"60cd183e-9549-43d8-aaa6-052d154d9114","resolution":{"observed_at":"2026-05-22T23:32:15.407621Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1811.00047","last_updated":"2019-02-11T19:57:00Z","snapshot_observed_at":"2026-08-14T18:06:08.760303Z","submitted_at":"2018-10-31T18:19:59Z","title":"Intrinsic curvature and topology of shadows in Kerr spacetime","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1811.00047","snapshot_observed_at":"2026-08-15T22:51:46.904328Z","title":"Wei, Y.-X","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2505.06382","last_updated":"2025-05-28T06:37:40Z","snapshot_observed_at":"2026-08-15T22:42:03.953667Z","submitted_at":"2025-05-09T19:03:38Z","title":"Probing Weak-Force Corrections to Black Hole Geometry via Long Range Potentials: Feinberg-Sucher and Ferrer-Nowakowski Potentials","version":2},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-15T22:51:46.904328Z"},"links":{"cited_paper":"/paper/1811.00047","citing_paper":"/paper/2505.06382"},"observation_digest":"sha256:4bff1446ded11c282e6b690f4e6076b388432a731b1596e2c8620c108bc6d40b","observation_id":"7bcb512a-9e5c-4e0f-a271-7c3babb71de5","resolution":{"observed_at":"2026-08-15T22:51:46.904328Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1811.00047","last_updated":"2019-02-11T19:57:00Z","snapshot_observed_at":"2026-08-14T18:06:08.760303Z","submitted_at":"2018-10-31T18:19:59Z","title":"Intrinsic curvature and topology of shadows in Kerr spacetime","version":3},"cited_work":{"arxiv_id":"1811.00047","doi":"10.1103/physrevd.99.041303","metadata_source":"pith","pith_arxiv_id":"1811.00047","snapshot_observed_at":"2026-08-05T02:28:24.338817Z","title":"Intrinsic curvature and topology of shadows in Kerr spacetime","venue":"gr-qc","work_id":"b9ab5687-7136-4f87-907a-5cad80f3ef2d","year":2018},"citing_paper":{"arxiv_id":"2604.04441","last_updated":"2026-04-06T05:39:36Z","snapshot_observed_at":"2026-08-11T15:58:09.322226Z","submitted_at":"2026-04-06T05:39:36Z","title":"Gravity/thermodynamics correspondence via black hole shadows","version":1},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-05-10T20:27:30.544350Z"},"links":{"cited_paper":"/paper/1811.00047","citing_paper":"/paper/2604.04441"},"observation_digest":"sha256:85bc191f15009811c363972bb52ab14fe568d705c8458f6385ff6adc89d1bf2e","observation_id":"124110f8-e262-469a-91f3-9ef6de8eb7ea","resolution":{"observed_at":"2026-05-10T21:55:51.309274Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1811.00047/citation-record","integrity":"/paper/1811.00047/integrity","json":"/paper/1811.00047/citation-record.json","paper":"/paper/1811.00047"},"outbound":[],"paper":{"arxiv_id":"1811.00047","last_updated":"2019-02-11T19:57:00Z","latest_version":3,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-14T18:06:08.760303Z","submitted_at":"2018-10-31T18:19:59Z","title":"Intrinsic curvature and topology of shadows in Kerr spacetime"},"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":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:1811.00047."}