{"as_of":"2026-08-09T16:07:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:ab1f4250eece7a22b2e70fe9791fc861523d67266b3f5029876e597e5e50d8b7","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":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-09T06:31:02.800959+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T11:39:51.727827Z","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":"2026-08-07T11:40:56.629961Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2109.14609","last_updated":"2021-09-29T17:59:08Z","snapshot_observed_at":"2026-07-06T11:52:43.325089Z","submitted_at":"2021-09-29T17:59:08Z","title":"Constant-overhead quantum error correction with thin planar connectivity","version":1},"cited_work":{"arxiv_id":"2109.14609","doi":null,"metadata_source":"pith","pith_arxiv_id":"2109.14609","snapshot_observed_at":"2026-08-07T11:40:56.629961Z","title":"Constant-overhead quantum error correction with thin planar connectivity","venue":"quant-ph","work_id":"524e1458-cd0e-41fb-80cd-a4c70c944d73","year":2021},"citing_paper":{"arxiv_id":"2506.01779","last_updated":"2025-08-22T12:35:33Z","snapshot_observed_at":"2026-08-07T11:31:27.391798Z","submitted_at":"2025-06-02T15:23:00Z","title":"Improved belief propagation is sufficient for real-time decoding of quantum memory","version":2},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-07T11:39:51.727827Z"},"links":{"cited_paper":"/paper/2109.14609","citing_paper":"/paper/2506.01779"},"observation_digest":"sha256:24c75321df3e3c62dcdd3567f104868057f0ef94680f959d64818f0764580319","observation_id":"8555bf62-479c-481a-9800-cf9afb0fe211","resolution":{"observed_at":"2026-08-07T11:40:57.517192Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2109.14609","last_updated":"2021-09-29T17:59:08Z","snapshot_observed_at":"2026-07-06T11:52:43.325089Z","submitted_at":"2021-09-29T17:59:08Z","title":"Constant-overhead quantum error correction with thin planar connectivity","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2109.14609","snapshot_observed_at":"2026-08-04T06:19:55.176757Z","title":null,"venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2601.22489","last_updated":"2026-08-03T13:05:46Z","snapshot_observed_at":"2026-08-08T02:39:12.520609Z","submitted_at":"2026-01-30T02:59:06Z","title":"Native Non-Clifford Gates in Quantum LDPC Codes: Conditions, Synthesis, and Scaling Limits","version":2},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-04T06:19:55.176757Z"},"links":{"cited_paper":"/paper/2109.14609","citing_paper":"/paper/2601.22489"},"observation_digest":"sha256:e43394d1329e642173be57e89747d5b886ee12d7520accb08ab05609b0c2e2c3","observation_id":"766d6135-0522-46d7-b406-c2535fd53c22","resolution":{"observed_at":"2026-08-04T06:19:55.176757Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2109.14609/citation-record","integrity":"/paper/2109.14609/integrity","json":"/paper/2109.14609/citation-record.json","paper":"/paper/2109.14609"},"outbound":[],"paper":{"arxiv_id":"2109.14609","last_updated":"2021-09-29T17:59:08Z","latest_version":1,"primary_category":"quant-ph","snapshot_observed_at":"2026-07-06T11:52:43.325089Z","submitted_at":"2021-09-29T17:59:08Z","title":"Constant-overhead quantum error correction with thin planar connectivity"},"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":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"thesis":"As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2109.14609."}