{"as_of":"2026-08-07T00:47:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:682e556096c4c9fffb2d56cebdc0701ae22875a4d81862a62fff6eb3fa3cd6ee","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":"2026-08-06T06:34:29.942622+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":"2026-08-04T18:53:46.880562Z","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":"2026-05-10T11:40:19.614000Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2102.13071","last_updated":"2021-02-25T18:40:02Z","snapshot_observed_at":"2026-08-01T15:21:39.422448Z","submitted_at":"2021-02-25T18:40:02Z","title":"Logical-qubit operations in an error-detecting surface code","version":1},"cited_work":{"arxiv_id":"2102.13071","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2102.13071","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":null,"venue":null,"work_id":"1a3d9142-266e-4fa7-b0d3-00a03a7830cc","year":2021},"citing_paper":{"arxiv_id":"2604.18714","last_updated":"2026-04-20T18:14:28Z","snapshot_observed_at":"2026-08-03T04:33:55.994506Z","submitted_at":"2026-04-20T18:14:28Z","title":"Efficient Routing of Quantum LDPC Codes on Programmable 2D Toric Architectures","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-05-10T04:46:26.589764Z"},"links":{"cited_paper":"/paper/2102.13071","citing_paper":"/paper/2604.18714"},"observation_digest":"sha256:161c23294fd7995d1243e537a64eda9f1f7763f852f06ad396bdca74ca3f574c","observation_id":"8a675ec1-8260-4c81-bf22-d3376ed2efc2","resolution":{"observed_at":"2026-05-10T11:40:19.615365Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-06T06:34:29.942622+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-06T06:34:29.942622+00:00","source":"crossref"},{"observed_at":"2026-08-06T06:34:23.284952+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2102.13071","last_updated":"2021-02-25T18:40:02Z","snapshot_observed_at":"2026-08-01T15:21:39.422448Z","submitted_at":"2021-02-25T18:40:02Z","title":"Logical-qubit operations in an error-detecting surface code","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2102.13071","snapshot_observed_at":"2026-08-04T18:53:46.880562Z","title":null,"venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2608.01887","last_updated":"2026-08-03T08:28:21Z","snapshot_observed_at":"2026-08-06T23:33:24.152502Z","submitted_at":"2026-08-03T08:28:21Z","title":"The Pangaea Architecture: Fault-Tolerant Heterogeneous Topological Codes via a Quantum Bus","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-04T18:53:46.880562Z"},"links":{"cited_paper":"/paper/2102.13071","citing_paper":"/paper/2608.01887"},"observation_digest":"sha256:0b397cdf76a0cc5ff45f20c8a1a8195f0a0cc1e0951d8fdebfd00fac08b44f0c","observation_id":"d483f8be-3a75-40e9-b3b1-ed3cde66c6bc","resolution":{"observed_at":"2026-08-04T18:53:46.880562Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2102.13071/citation-record","integrity":"/paper/2102.13071/integrity","json":"/paper/2102.13071/citation-record.json","paper":"/paper/2102.13071"},"outbound":[],"paper":{"arxiv_id":"2102.13071","last_updated":"2021-02-25T18:40:02Z","latest_version":1,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-01T15:21:39.422448Z","submitted_at":"2021-02-25T18:40:02Z","title":"Logical-qubit operations in an error-detecting surface code"},"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":"2026-08-06T06:34:29.942622+00:00","source":"crossref"},{"observed_at":"2026-08-06T06:34:23.284952+00:00","source":"retraction_watch"}],"thesis":"As of 7 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2102.13071."}