{"as_of":"2026-08-15T12:08:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:483250570d438b7ea641449bdcadd974cccb2d5e7fa2401cb034fde4d626c620","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":"2026-08-15T06:32:42.880941+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":"2026-08-14T12:57:25.375219Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1209.2251","last_updated":"2012-09-11T08:08:46Z","snapshot_observed_at":"2026-08-15T00:47:09.031499Z","submitted_at":"2012-09-11T08:08:46Z","title":"The metallicity profile of M31 from spectroscopy of hundreds of HII regions and PNe","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1209.2251","snapshot_observed_at":"2026-08-14T12:57:25.375219Z","title":"T he Metallicity Profile of M31 from Spectroscopy of Hundreds of H II Regions and PNe","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"1908.06238","last_updated":"2019-08-17T04:40:14Z","snapshot_observed_at":"2026-08-15T11:33:20.395629Z","submitted_at":"2019-08-17T04:40:14Z","title":"The Wolf-Rayet Content of the Galaxies of the Local Group and Beyond","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T12:57:25.375219Z"},"links":{"cited_paper":"/paper/1209.2251","citing_paper":"/paper/1908.06238"},"observation_digest":"sha256:e1e2e4a7dcfa5a7fb8d91864238a0172f662634466f2e54a81d36ad39e536b0b","observation_id":"93d5bac8-d32f-4044-810d-690a9d6ddc82","resolution":{"observed_at":"2026-08-14T12:57:25.375219Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1209.2251/citation-record","integrity":"/paper/1209.2251/integrity","json":"/paper/1209.2251/citation-record.json","paper":"/paper/1209.2251"},"outbound":[],"paper":{"arxiv_id":"1209.2251","last_updated":"2012-09-11T08:08:46Z","latest_version":1,"primary_category":"astro-ph.CO","snapshot_observed_at":"2026-08-15T00:47:09.031499Z","submitted_at":"2012-09-11T08:08:46Z","title":"The metallicity profile of M31 from spectroscopy of hundreds of HII regions and PNe"},"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 15 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:1209.2251."}