{"as_of":"2026-08-09T23:54:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:0c1d386bc7a4fb06f149686a2b82bee164d57b3a9556d7c2f91c106ccee33e31","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":"2026-08-09T06:31:02.800959+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":"2026-08-09T00:29:25.549751Z","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":"2026-08-09T00:29:27.209789Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"0901.0150","last_updated":"2009-01-27T15:25:28Z","snapshot_observed_at":"2026-07-06T01:49:39.236105Z","submitted_at":"2008-12-31T22:31:42Z","title":"Anomalies and chiral symmetry in QCD","version":2},"cited_work":{"arxiv_id":"0901.0150","doi":null,"metadata_source":"pith","pith_arxiv_id":"0901.0150","snapshot_observed_at":"2026-08-09T00:29:27.209789Z","title":"Anomalies and chiral symmetry in QCD","venue":"hep-ph","work_id":"91f6e036-ae85-4804-9486-5dfce6f50b9e","year":2008},"citing_paper":{"arxiv_id":"2502.03879","last_updated":"2025-03-20T02:56:39Z","snapshot_observed_at":"2026-08-09T02:41:01.232319Z","submitted_at":"2025-02-06T08:51:31Z","title":"First-order CP phase transition in two-flavor QCD at $\\theta = \\pi$ under electromagnetic scale anomaly via a Nambu-Jona-Lasinio description","version":3},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-09T00:29:25.549751Z"},"links":{"cited_paper":"/paper/0901.0150","citing_paper":"/paper/2502.03879"},"observation_digest":"sha256:1df06a2b0bc1e16b61e333630941849129aab100ffd10da7303d06a5e995e927","observation_id":"74f67aa5-51cd-4032-910a-763a3819f9ce","resolution":{"observed_at":"2026-08-09T00:29:27.214776Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/0901.0150/citation-record","integrity":"/paper/0901.0150/integrity","json":"/paper/0901.0150/citation-record.json","paper":"/paper/0901.0150"},"outbound":[],"paper":{"arxiv_id":"0901.0150","last_updated":"2009-01-27T15:25:28Z","latest_version":2,"primary_category":"hep-ph","snapshot_observed_at":"2026-07-06T01:49:39.236105Z","submitted_at":"2008-12-31T22:31:42Z","title":"Anomalies and chiral symmetry in QCD"},"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":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"thesis":"As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:0901.0150."}