{"as_of":"2026-08-04T14:45:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:f9b58dafd380b0cfedadf83ab4cb3e228447ec52842af25ec87ec1fb6339ba6c","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":"2026-08-04T06:34:03.388597+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":"2026-05-25T09:12:31.416031Z","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":"2026-05-25T09:15:34.108261Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2205.15588","last_updated":"2022-10-25T03:19:31Z","snapshot_observed_at":"2026-07-06T13:15:46.719493Z","submitted_at":"2022-05-31T08:02:51Z","title":"QuanEstimation: An open-source toolkit for quantum parameter estimation","version":3},"cited_work":{"arxiv_id":"2205.15588","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2205.15588","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"Zhang, H.-M","venue":null,"work_id":"482f7df5-7b9b-4396-8ef9-42ee8ae854e6","year":2022},"citing_paper":{"arxiv_id":"2206.02820","last_updated":"2026-05-21T18:12:41Z","snapshot_observed_at":"2026-07-06T13:17:58.620860Z","submitted_at":"2022-06-06T18:01:03Z","title":"Iterative optimization in quantum metrology and entanglement theory using semidefinite programming","version":5},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-05-25T09:12:31.416031Z"},"links":{"cited_paper":"/paper/2205.15588","citing_paper":"/paper/2206.02820"},"observation_digest":"sha256:9543106917b873ae711ef30a5b8d0a1ee2df18ff7a7ff48d3523dcde19055f30","observation_id":"63f240e1-d4b0-4ada-9d59-16a4c922a894","resolution":{"observed_at":"2026-05-25T09:15:34.111213Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-04T06:34:03.388597+00:00","source":"crossref"},{"observed_at":"2026-08-04T06:33:57.428241+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2205.15588/citation-record","integrity":"/paper/2205.15588/integrity","json":"/paper/2205.15588/citation-record.json","paper":"/paper/2205.15588"},"outbound":[],"paper":{"arxiv_id":"2205.15588","last_updated":"2022-10-25T03:19:31Z","latest_version":3,"primary_category":"quant-ph","snapshot_observed_at":"2026-07-06T13:15:46.719493Z","submitted_at":"2022-05-31T08:02:51Z","title":"QuanEstimation: An open-source toolkit for quantum parameter estimation"},"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":"2026-08-04T06:34:03.388597+00:00","source":"crossref"},{"observed_at":"2026-08-04T06:33:57.428241+00:00","source":"retraction_watch"}],"thesis":"As of 4 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2205.15588."}