{"as_of":"2026-08-07T17:33:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:c261c6b81e06be68fd5100c43c4652ae1a890d5019e56a74780e3543c188a95c","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":1,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":1,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-07T06:34:17.273281+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-05-16T14:40:32.437670Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-05-16T14:41:02.490953Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1806.04091","last_updated":"2019-04-12T13:00:10Z","snapshot_observed_at":"2026-08-06T07:34:04.536797Z","submitted_at":"2018-06-11T16:24:50Z","title":"On the connection of spacetime separability and spherical photon orbits","version":2},"cited_work":{"arxiv_id":"1806.04091","doi":null,"metadata_source":"pith","pith_arxiv_id":"1806.04091","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"On the connection of spacetime separability and spherical photon orbits","venue":"gr-qc","work_id":"63b4a473-6a99-485f-96dd-745914e89840","year":2018},"citing_paper":{"arxiv_id":"2601.09607","last_updated":"2026-05-05T11:56:11Z","snapshot_observed_at":"2026-08-02T15:51:20.227188Z","submitted_at":"2026-01-14T16:30:02Z","title":"Confronting eikonal and post-Kerr methods with numerical evolution of scalar field perturbations in spacetimes beyond Kerr","version":2},"reference_index":57,"source":"pdf_text","source_observed_at":"2026-05-16T14:40:32.437670Z"},"links":{"cited_paper":"/paper/1806.04091","citing_paper":"/paper/2601.09607"},"observation_digest":"sha256:29166bafbba565c78119dfb5ee6aa56920ac493ff572179d9f1068e2589dda5f","observation_id":"a48028d6-9933-41c1-a91c-c77b66f9fd9b","resolution":{"observed_at":"2026-05-16T14:41:02.492698Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1806.04091/citation-record","integrity":"/paper/1806.04091/integrity","json":"/paper/1806.04091/citation-record.json","paper":"/paper/1806.04091"},"outbound":[],"paper":{"arxiv_id":"1806.04091","last_updated":"2019-04-12T13:00:10Z","latest_version":2,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-06T07:34:04.536797Z","submitted_at":"2018-06-11T16:24:50Z","title":"On the connection of spacetime separability and spherical photon orbits"},"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":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"thesis":"As of 7 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1806.04091."}