{"as_of":"2026-08-20T16:42:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:3e00e07fb0b798df627fabc531ec1e8887dec1331b7b5e1b17218dac6c69ee07","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":"2026-08-20T06:33:59.587034+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":"2026-08-16T10:17:21.648555Z","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":"2026-08-16T10:17:21.763862Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1211.4980","last_updated":"2013-01-11T22:26:09Z","snapshot_observed_at":"2026-08-15T00:38:37.873953Z","submitted_at":"2012-11-21T10:07:42Z","title":"The Bondi-Sachs metric at the vertex of a null cone: axially symmetric vacuum solutions","version":2},"cited_work":{"arxiv_id":"1211.4980","doi":null,"metadata_source":"pith","pith_arxiv_id":"1211.4980","snapshot_observed_at":"2026-08-16T10:17:21.763862Z","title":"The Bondi-Sachs metric at the vertex of a null cone: axially symmetric vacuum solutions","venue":"gr-qc","work_id":"e8498d31-72ed-4969-8e1e-ff2d78b8fa63","year":2012},"citing_paper":{"arxiv_id":"2504.18973","last_updated":"2025-07-11T14:05:01Z","snapshot_observed_at":"2026-08-20T11:02:51.692019Z","submitted_at":"2025-04-26T17:06:17Z","title":"Conformal compactification and affine-null metric formulation of the Einstein equations","version":2},"reference_index":67,"source":"pdf_text","source_observed_at":"2026-08-16T10:17:21.648555Z"},"links":{"cited_paper":"/paper/1211.4980","citing_paper":"/paper/2504.18973"},"observation_digest":"sha256:994617deecd4a4c2b4332b4f3eceddfb67f16f10b912b384c19e0e9b5d287927","observation_id":"994d5d53-9f09-44ce-bfc0-edaabba471b9","resolution":{"observed_at":"2026-08-16T10:17:21.767477Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.","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"}}],"links":{"evidence":"/evidence","html":"/paper/1211.4980/citation-record","integrity":"/paper/1211.4980/integrity","json":"/paper/1211.4980/citation-record.json","paper":"/paper/1211.4980"},"outbound":[],"paper":{"arxiv_id":"1211.4980","last_updated":"2013-01-11T22:26:09Z","latest_version":2,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-15T00:38:37.873953Z","submitted_at":"2012-11-21T10:07:42Z","title":"The Bondi-Sachs metric at the vertex of a null cone: axially symmetric vacuum solutions"},"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 1 inbound Pith citation observation for arXiv:1211.4980."}