{"as_of":"2026-08-12T22:15:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:556d8505254e6b5b5d243ae36062b13771a24fae6cd55d25322a447ff8f8f42b","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":3,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":3,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-12T06:34:41.77262+00:00","state":"measured"},{"denominator":3,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":3,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-10T23:10:19.960273Z","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":"2026-05-16T19:58:23.323291Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2102.09308","last_updated":"2021-06-16T16:14:56Z","snapshot_observed_at":"2026-08-11T03:42:44.391073Z","submitted_at":"2021-02-18T12:47:09Z","title":"SU(3) analysis of four-quark operators: $K\\to\\pi\\pi$ and vacuum matrix elements","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2102.09308","snapshot_observed_at":"2026-08-10T23:10:19.960273Z","title":"Pich and A","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2412.21201","last_updated":"2025-08-08T12:47:58Z","snapshot_observed_at":"2026-08-11T01:30:28.678702Z","submitted_at":"2024-12-30T18:59:19Z","title":"Vector-like quark doublets, weak-basis invariants and CP violation","version":2},"reference_index":121,"source":"pdf_text","source_observed_at":"2026-08-10T23:10:19.960273Z"},"links":{"cited_paper":"/paper/2102.09308","citing_paper":"/paper/2412.21201"},"observation_digest":"sha256:3e3233665934b1a65127e6d6aac0226a19f72db2879179ea4e570f7dc9b5e998","observation_id":"fdc9e164-dcce-4839-ac23-2914d4e06ff7","resolution":{"observed_at":"2026-08-10T23:10:19.960273Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2102.09308","last_updated":"2021-06-16T16:14:56Z","snapshot_observed_at":"2026-08-11T03:42:44.391073Z","submitted_at":"2021-02-18T12:47:09Z","title":"SU(3) analysis of four-quark operators: $K\\to\\pi\\pi$ and vacuum matrix elements","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2102.09308","snapshot_observed_at":"2026-08-10T19:55:37.963657Z","title":"Pich and A","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2501.09787","last_updated":"2025-01-16T19:00:00Z","snapshot_observed_at":"2026-08-10T19:37:57.400297Z","submitted_at":"2025-01-16T19:00:00Z","title":"Systematic Spurion Matching between Low Energy EFT and Chiral Lagrangian","version":1},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-10T19:55:37.963657Z"},"links":{"cited_paper":"/paper/2102.09308","citing_paper":"/paper/2501.09787"},"observation_digest":"sha256:2ad2a3cbf3e55efa3cc5bf02d2ab1e9e6a9c2b9f5a19bcdcb995720dd94f0103","observation_id":"ec22df0c-db54-4a6d-b3cb-2622e9635bda","resolution":{"observed_at":"2026-08-10T19:55:37.963657Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2102.09308","last_updated":"2021-06-16T16:14:56Z","snapshot_observed_at":"2026-08-11T03:42:44.391073Z","submitted_at":"2021-02-18T12:47:09Z","title":"SU(3) analysis of four-quark operators: $K\\to\\pi\\pi$ and vacuum matrix elements","version":2},"cited_work":{"arxiv_id":"2102.09308","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2102.09308","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Pich and A","venue":null,"work_id":"aad4ea3d-1ffd-4034-9619-ba9cbc1d53b4","year":2021},"citing_paper":{"arxiv_id":"2512.20825","last_updated":"2026-04-17T08:29:50Z","snapshot_observed_at":"2026-08-03T15:17:22.037898Z","submitted_at":"2025-12-23T22:59:02Z","title":"Irreducible Constraints on Hadronically Interacting Sub-GeV Dark Matter","version":2},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-05-16T19:54:44.766195Z"},"links":{"cited_paper":"/paper/2102.09308","citing_paper":"/paper/2512.20825"},"observation_digest":"sha256:5fc106d159bd310e2de728219440d5eb7923d24cd6b937cf053d3105ee143b30","observation_id":"68963bd5-e5fb-46f2-a994-a00f24854c74","resolution":{"observed_at":"2026-05-16T19:58:23.324629Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2102.09308/citation-record","integrity":"/paper/2102.09308/integrity","json":"/paper/2102.09308/citation-record.json","paper":"/paper/2102.09308"},"outbound":[],"paper":{"arxiv_id":"2102.09308","last_updated":"2021-06-16T16:14:56Z","latest_version":2,"primary_category":"hep-ph","snapshot_observed_at":"2026-08-11T03:42:44.391073Z","submitted_at":"2021-02-18T12:47:09Z","title":"SU(3) analysis of four-quark operators: $K\\to\\pi\\pi$ and vacuum matrix elements"},"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":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"thesis":"As of 12 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:2102.09308."}