{"as_of":"2026-08-16T10:50:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:eccf52a52c648d653207fb4a39d9f7aa43883eb378132ec28ee84a3b383c47b5","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":"2026-08-16T06:30:59.297886+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":"2026-08-15T18:39:40.963937Z","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":"2026-05-11T09:46:01.128509Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1912.05569","last_updated":"2019-12-11T19:00:44Z","snapshot_observed_at":"2026-08-15T19:01:44.102691Z","submitted_at":"2019-12-11T19:00:44Z","title":"Bounds on Photon Spheres and Shadows of Charged Black Holes in Einstein-Gauss-Bonnet-Maxwell Gravity","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.05569","snapshot_observed_at":"2026-08-11T16:21:20.192330Z","title":"Ma and H","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2412.10328","last_updated":"2025-03-10T00:35:29Z","snapshot_observed_at":"2026-08-15T09:12:32.903329Z","submitted_at":"2024-12-13T18:07:08Z","title":"Bounds for Lyapunov exponent of circular light orbits in black holes","version":3},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-11T16:21:20.192330Z"},"links":{"cited_paper":"/paper/1912.05569","citing_paper":"/paper/2412.10328"},"observation_digest":"sha256:8d266e33089b9f5effcd325bdaaa3251e1ba31501f8e500263cc25040fbf44c7","observation_id":"5b1a61a4-ff7b-422f-857d-b36f4f2b2eff","resolution":{"observed_at":"2026-08-11T16:21:20.192330Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.05569","last_updated":"2019-12-11T19:00:44Z","snapshot_observed_at":"2026-08-15T19:01:44.102691Z","submitted_at":"2019-12-11T19:00:44Z","title":"Bounds on Photon Spheres and Shadows of Charged Black Holes in Einstein-Gauss-Bonnet-Maxwell Gravity","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.05569","snapshot_observed_at":"2026-08-15T18:39:40.963937Z","title":null,"venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2506.19581","last_updated":"2025-07-02T15:39:17Z","snapshot_observed_at":"2026-08-15T21:06:46.781121Z","submitted_at":"2025-06-24T12:46:36Z","title":"Schwarzschild Black Holes Immersed in Born-Infeld Magnetic Fields and Their Observational Signatures","version":2},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-08-15T18:39:40.963937Z"},"links":{"cited_paper":"/paper/1912.05569","citing_paper":"/paper/2506.19581"},"observation_digest":"sha256:b289861de10aeccb9ddeb96c012dbc039549afa27353793b3e8f86d87602ed85","observation_id":"3f511915-177e-48c1-94db-6b901e38b3b7","resolution":{"observed_at":"2026-08-15T18:39:40.963937Z","resolver_source":null,"status":"malformed_identifier"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.05569","last_updated":"2019-12-11T19:00:44Z","snapshot_observed_at":"2026-08-15T19:01:44.102691Z","submitted_at":"2019-12-11T19:00:44Z","title":"Bounds on Photon Spheres and Shadows of Charged Black Holes in Einstein-Gauss-Bonnet-Maxwell Gravity","version":1},"cited_work":{"arxiv_id":"1912.05569","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.05569","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Ma and H","venue":null,"work_id":"17b19ffa-3266-4391-b556-77f7caaaa417","year":2020},"citing_paper":{"arxiv_id":"2604.11652","last_updated":"2026-04-13T16:05:23Z","snapshot_observed_at":"2026-08-13T14:43:28.270878Z","submitted_at":"2026-04-13T16:05:23Z","title":"Optical Appearance of Scalarized Kerr-Newman Black Holes with Multiple Light Rings","version":1},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-05-10T15:51:17.908867Z"},"links":{"cited_paper":"/paper/1912.05569","citing_paper":"/paper/2604.11652"},"observation_digest":"sha256:dd8842f6407767e24f504bace5c0223b95c3e65938a4cf8776f5a0d44327cc31","observation_id":"e26481aa-086a-4582-8aa8-db862206eeea","resolution":{"observed_at":"2026-05-11T09:46:01.131303Z","resolver_source":"arxiv_id","status":"malformed_identifier"},"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":"1912.05569","last_updated":"2019-12-11T19:00:44Z","snapshot_observed_at":"2026-08-15T19:01:44.102691Z","submitted_at":"2019-12-11T19:00:44Z","title":"Bounds on Photon Spheres and Shadows of Charged Black Holes in Einstein-Gauss-Bonnet-Maxwell Gravity","version":1},"cited_work":{"arxiv_id":"1912.05569","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.05569","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Ma and H","venue":null,"work_id":"17b19ffa-3266-4391-b556-77f7caaaa417","year":2020},"citing_paper":{"arxiv_id":"2604.16551","last_updated":"2026-04-17T07:15:39Z","snapshot_observed_at":"2026-08-10T23:35:19.028404Z","submitted_at":"2026-04-17T07:15:39Z","title":"Photon rings and shadows of black holes with non-minimal couplings between curvature and electromagnetic field","version":1},"reference_index":60,"source":"pdf_text","source_observed_at":"2026-05-10T08:25:01.464679Z"},"links":{"cited_paper":"/paper/1912.05569","citing_paper":"/paper/2604.16551"},"observation_digest":"sha256:b34639a8f8d7ddf74fd3b7d321b87236bfdcca2a3d7a9f2b2fcb882fbff84415","observation_id":"c35afc2e-cb31-49ff-8689-d6f3d4ec6464","resolution":{"observed_at":"2026-05-10T08:27:51.981756Z","resolver_source":"arxiv_id","status":"verified_exact"},"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"}}],"links":{"evidence":"/evidence","html":"/paper/1912.05569/citation-record","integrity":"/paper/1912.05569/integrity","json":"/paper/1912.05569/citation-record.json","paper":"/paper/1912.05569"},"outbound":[],"paper":{"arxiv_id":"1912.05569","last_updated":"2019-12-11T19:00:44Z","latest_version":1,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-15T19:01:44.102691Z","submitted_at":"2019-12-11T19:00:44Z","title":"Bounds on Photon Spheres and Shadows of Charged Black Holes in Einstein-Gauss-Bonnet-Maxwell Gravity"},"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":"2026-08-16T06:30:59.297886+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 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:1912.05569."}