{"as_of":"2026-08-18T06:41:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:7b3600db425a2096f601b3b30d164e1bd8c844bc8bf9534f4f09f052a36bce3f","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":"2026-08-18T06:34:40.430872+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":"2026-08-16T04:35:08.704855Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-16T04:35:08.861318Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2102.09621","last_updated":"2021-02-22T11:15:40Z","snapshot_observed_at":"2026-08-18T06:08:10.127771Z","submitted_at":"2021-02-16T22:29:42Z","title":"Aircraft Loading Optimization -- QUBO models under multiple constraints","version":2},"cited_work":{"arxiv_id":"2102.09621","doi":null,"metadata_source":"pith","pith_arxiv_id":"2102.09621","snapshot_observed_at":"2026-08-16T04:35:08.861318Z","title":"Aircraft Loading Optimization -- QUBO models under multiple constraints","venue":"quant-ph","work_id":"e7dc2910-ed80-4c52-8bf6-854552bf340f","year":2021},"citing_paper":{"arxiv_id":"2505.00891","last_updated":"2025-05-01T22:13:12Z","snapshot_observed_at":"2026-08-17T16:40:23.507453Z","submitted_at":"2025-05-01T22:13:12Z","title":"Quantum Computing in Industrial Environments: Where Do We Stand and Where Are We Headed?","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-16T04:35:08.704855Z"},"links":{"cited_paper":"/paper/2102.09621","citing_paper":"/paper/2505.00891"},"observation_digest":"sha256:24aa0ee3c26cb7fc7d01916f9e3d3e029a8edc7434c3fa5857b2f3afd6ef9221","observation_id":"494159a4-c780-4f9f-9510-be7b9730f47c","resolution":{"observed_at":"2026-08-16T04:35:08.868330Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2102.09621/citation-record","integrity":"/paper/2102.09621/integrity","json":"/paper/2102.09621/citation-record.json","paper":"/paper/2102.09621"},"outbound":[],"paper":{"arxiv_id":"2102.09621","last_updated":"2021-02-22T11:15:40Z","latest_version":2,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-18T06:08:10.127771Z","submitted_at":"2021-02-16T22:29:42Z","title":"Aircraft Loading Optimization -- QUBO models under multiple constraints"},"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":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"thesis":"As of 18 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2102.09621."}