{"as_of":"2026-08-07T19:38:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f5ffea83fdc0d03ccd2e00ed90aa50b3cef53d9cb45566ad267839429ff37258","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":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-07T06:34:17.273281+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T15:17:26.610706Z","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":"2026-07-03T03:17:36.336089Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1906.11851","last_updated":"2019-10-28T06:41:19Z","snapshot_observed_at":"2026-07-06T08:03:24.054624Z","submitted_at":"2019-06-27T18:00:05Z","title":"Axion clockworks from heterotic M-theory: the QCD-axion and its ultra-light companion","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1906.11851","snapshot_observed_at":"2026-08-07T15:17:26.610706Z","title":"Axion clockworks from heterotic M-theory: the QCD- axion and its ultra-light companion,","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2505.15884","last_updated":"2025-05-21T18:00:00Z","snapshot_observed_at":"2026-08-07T15:08:45.993681Z","submitted_at":"2025-05-21T18:00:00Z","title":"String Theory and Grand Unification Suggest a Sub-Microelectronvolt QCD Axion","version":1},"reference_index":140,"source":"pdf_text","source_observed_at":"2026-08-07T15:17:26.610706Z"},"links":{"cited_paper":"/paper/1906.11851","citing_paper":"/paper/2505.15884"},"observation_digest":"sha256:705c7634a226e86d0b3da93fc211c94f726dc4645e5678106f660de13f6546fa","observation_id":"af704c0d-e12f-4803-ad0c-a205df9efd01","resolution":{"observed_at":"2026-08-07T15:17:26.610706Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1906.11851","last_updated":"2019-10-28T06:41:19Z","snapshot_observed_at":"2026-07-06T08:03:24.054624Z","submitted_at":"2019-06-27T18:00:05Z","title":"Axion clockworks from heterotic M-theory: the QCD-axion and its ultra-light companion","version":2},"cited_work":{"arxiv_id":"1906.11851","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1906.11851","snapshot_observed_at":"2026-07-03T03:17:36.336089Z","title":null,"venue":null,"work_id":"33d7bf45-efd7-423e-9ed1-ca24ec827cd1","year":2019},"citing_paper":{"arxiv_id":"2606.09982","last_updated":"2026-06-08T18:00:01Z","snapshot_observed_at":"2026-08-07T05:46:12.891056Z","submitted_at":"2026-06-08T18:00:01Z","title":"Testing F-theory GUTs with the Axiverse","version":1},"reference_index":94,"source":"pdf_text","source_observed_at":"2026-06-27T15:22:57.298376Z"},"links":{"cited_paper":"/paper/1906.11851","citing_paper":"/paper/2606.09982"},"observation_digest":"sha256:bef8246d4c3fe90f1c7f12b310aad6555fe132e8531daf6773e7995ace305908","observation_id":"9fe424a5-d0ef-41bd-a4ca-c449d2d7c37b","resolution":{"observed_at":"2026-07-03T03:17:36.337604Z","resolver_source":"arxiv_id","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/1906.11851/citation-record","integrity":"/paper/1906.11851/integrity","json":"/paper/1906.11851/citation-record.json","paper":"/paper/1906.11851"},"outbound":[],"paper":{"arxiv_id":"1906.11851","last_updated":"2019-10-28T06:41:19Z","latest_version":2,"primary_category":"hep-th","snapshot_observed_at":"2026-07-06T08:03:24.054624Z","submitted_at":"2019-06-27T18:00:05Z","title":"Axion clockworks from heterotic M-theory: the QCD-axion and its ultra-light companion"},"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 2 inbound Pith citation observations for arXiv:1906.11851."}