{"as_of":"2026-08-08T18:12:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:31e209aafa2eddef0522187c724fd29b3dc9871257e9ee3816452751db8b1a83","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":"2026-08-08T06:32:00.761636+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":"2026-08-01T05:02:01.224560Z","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":"2026-08-01T06:16:24.888925Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2108.06049","last_updated":"2022-02-21T21:49:51Z","snapshot_observed_at":"2026-08-02T23:22:50.522831Z","submitted_at":"2021-08-13T03:55:22Z","title":"Limitations of Local Quantum Algorithms on Random Max-k-XOR and Beyond","version":3},"cited_work":{"arxiv_id":"2108.06049","doi":"10.48550/arxiv.2108.06049","metadata_source":"pith","pith_arxiv_id":"2108.06049","snapshot_observed_at":"2026-08-01T06:16:24.888925Z","title":"Limitations of Local Quantum Algorithms on Random Max-k-XOR and Beyond","venue":"quant-ph","work_id":"9162bc17-91c2-41bd-a17a-ada42e055351","year":2021},"citing_paper":{"arxiv_id":"2607.22372","last_updated":"2026-07-24T14:58:57Z","snapshot_observed_at":"2026-08-08T06:39:19.664846Z","submitted_at":"2026-07-24T14:58:57Z","title":"Quantum-informed surrogate sampling for combinatorial optimization","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-01T05:02:01.224560Z"},"links":{"cited_paper":"/paper/2108.06049","citing_paper":"/paper/2607.22372"},"observation_digest":"sha256:5bc44e1f500296234b26c0c42e4bffc02386116048f2ef9b90b11dad097cc022","observation_id":"c7e721f5-5b45-4eb9-a045-f08bd61c2918","resolution":{"observed_at":"2026-08-01T05:03:24.823286Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-03T20:38:07.00738+00:00","source":"crossref_status_cache"},{"observed_at":"2026-08-03T20:38:07.00738+00:00","source":"openalex_status_cache"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2108.06049/citation-record","integrity":"/paper/2108.06049/integrity","json":"/paper/2108.06049/citation-record.json","paper":"/paper/2108.06049"},"outbound":[],"paper":{"arxiv_id":"2108.06049","last_updated":"2022-02-21T21:49:51Z","latest_version":3,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-02T23:22:50.522831Z","submitted_at":"2021-08-13T03:55:22Z","title":"Limitations of Local Quantum Algorithms on Random Max-k-XOR and Beyond"},"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":"2026-08-08T06:32:00.761636+00:00","source":"crossref"},{"observed_at":"2026-08-08T06:31:55.24221+00:00","source":"retraction_watch"}],"thesis":"As of 8 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2108.06049."}