{"as_of":"2026-08-16T19:53:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:753acb1cb0e5bf5802d13a8b0c8efbd10f98d016e77d4cb06f07d8c710fd976c","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":"2026-08-16T06:30:59.297886+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":"2026-08-15T15:15:57.949749Z","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":"2103.08331","last_updated":"2021-04-17T15:13:55Z","snapshot_observed_at":"2026-08-16T18:38:52.364334Z","submitted_at":"2021-03-15T12:24:35Z","title":"The new resonances Z_{cs}(3985) and Z_{cs}(4003) (almost) fill two tetraquark nonets of broken SU(3)_f","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2103.08331","snapshot_observed_at":"2026-08-15T15:15:57.949749Z","title":"Maiani, A","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2608.01237","last_updated":"2026-08-02T13:46:47Z","snapshot_observed_at":"2026-08-16T02:26:18.830515Z","submitted_at":"2026-08-02T13:46:47Z","title":"A femtoscopic tale of two $C$-parities: the $Z_c(3900)$ and the isovector partner of the $X(3872)$","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-15T15:15:57.949749Z"},"links":{"cited_paper":"/paper/2103.08331","citing_paper":"/paper/2608.01237"},"observation_digest":"sha256:3777b5afa2374171bf3630af08452dcb3158da8556558dbb7cf8a30e48432467","observation_id":"4f9800b0-240b-41cb-b712-ea0fa840d306","resolution":{"observed_at":"2026-08-15T15:15:57.949749Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2103.08331/citation-record","integrity":"/paper/2103.08331/integrity","json":"/paper/2103.08331/citation-record.json","paper":"/paper/2103.08331"},"outbound":[],"paper":{"arxiv_id":"2103.08331","last_updated":"2021-04-17T15:13:55Z","latest_version":2,"primary_category":"hep-ph","snapshot_observed_at":"2026-08-16T18:38:52.364334Z","submitted_at":"2021-03-15T12:24:35Z","title":"The new resonances Z_{cs}(3985) and Z_{cs}(4003) (almost) fill two tetraquark nonets of broken SU(3)_f"},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2103.08331."}