{"as_of":"2026-08-11T20:16:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:7f5994c5e8566c5af044c6d2ed594a10d9665f0e60ef457ccb9346454c2e5d1d","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":"2026-08-11T06:34:44.6726+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":"2026-08-02T22:59:57.320362Z","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":"2012.06631","last_updated":"2021-10-05T08:22:58Z","snapshot_observed_at":"2026-07-06T10:23:40.025224Z","submitted_at":"2020-12-11T20:41:12Z","title":"Entangled symmetric states and copositive matrices","version":4},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2012.06631","snapshot_observed_at":"2026-08-02T22:59:57.320362Z","title":"Entangled symmetric states and copositive matrices","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2602.15800","last_updated":"2026-06-22T23:59:13Z","snapshot_observed_at":"2026-08-02T22:59:49.714591Z","submitted_at":"2026-02-17T18:39:30Z","title":"Entanglement in the Dicke subspace","version":2},"reference_index":47,"source":"arxiv_source","source_observed_at":"2026-08-02T22:59:57.320362Z"},"links":{"cited_paper":"/paper/2012.06631","citing_paper":"/paper/2602.15800"},"observation_digest":"sha256:a134b3346ef4ad901f2c17c4df514ad190ec980cbd3c491713dadb75b347ab45","observation_id":"50234911-aec7-4d5f-98cf-3d226e70aeff","resolution":{"observed_at":"2026-08-02T22:59:57.320362Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2012.06631/citation-record","integrity":"/paper/2012.06631/integrity","json":"/paper/2012.06631/citation-record.json","paper":"/paper/2012.06631"},"outbound":[],"paper":{"arxiv_id":"2012.06631","last_updated":"2021-10-05T08:22:58Z","latest_version":4,"primary_category":"quant-ph","snapshot_observed_at":"2026-07-06T10:23:40.025224Z","submitted_at":"2020-12-11T20:41:12Z","title":"Entangled symmetric states and copositive matrices"},"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":"2026-08-11T06:34:44.6726+00:00","source":"crossref"},{"observed_at":"2026-08-11T06:34:36.301508+00:00","source":"retraction_watch"}],"thesis":"As of 11 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2012.06631."}