{"as_of":"2026-08-16T19:26:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:c6eb264bad1f8db6b4ae8c68409780598c33bd99dad611b7891311277d0037ae","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":"2026-08-16T06:30:59.297886+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":"2026-08-14T14:21:01.468000Z","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":"2026-08-08T11:34:41.709656Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1904.09474","last_updated":"2019-12-17T16:45:56Z","snapshot_observed_at":"2026-08-16T13:23:32.550399Z","submitted_at":"2019-04-20T18:03:56Z","title":"Repetition Cat Qubits for Fault-Tolerant Quantum Computation","version":4},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.09474","snapshot_observed_at":"2026-08-14T14:21:01.468000Z","title":"Repetition cat-qubits: fault-tolerant quantum computation with highly reduced overhead,","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"1908.03579","last_updated":"2020-01-13T16:08:00Z","snapshot_observed_at":"2026-08-16T03:34:10.807145Z","submitted_at":"2019-08-09T18:00:06Z","title":"Fault-tolerant bosonic quantum error correction with the surface-GKP code","version":2},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T14:21:01.468000Z"},"links":{"cited_paper":"/paper/1904.09474","citing_paper":"/paper/1908.03579"},"observation_digest":"sha256:224becb887a949203e19b80cd267cac4de854d47de778850e9c790090dd81fea","observation_id":"65abbffa-3dff-4501-8d41-f295553ad433","resolution":{"observed_at":"2026-08-14T14:21:01.468000Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1904.09474","last_updated":"2019-12-17T16:45:56Z","snapshot_observed_at":"2026-08-16T13:23:32.550399Z","submitted_at":"2019-04-20T18:03:56Z","title":"Repetition Cat Qubits for Fault-Tolerant Quantum Computation","version":4},"cited_work":{"arxiv_id":"1904.09474","doi":null,"metadata_source":"pith","pith_arxiv_id":"1904.09474","snapshot_observed_at":"2026-08-08T11:34:41.709656Z","title":"Repetition Cat Qubits for Fault-Tolerant Quantum Computation","venue":"quant-ph","work_id":"99157a2d-b7d8-4c08-b2fc-f60e3b5d63b6","year":2019},"citing_paper":{"arxiv_id":"2502.07892","last_updated":"2025-02-28T09:30:50Z","snapshot_observed_at":"2026-08-13T06:20:49.936508Z","submitted_at":"2025-02-11T19:01:05Z","title":"Enhancing dissipative cat qubit protection by squeezing","version":2},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-08T11:34:41.280770Z"},"links":{"cited_paper":"/paper/1904.09474","citing_paper":"/paper/2502.07892"},"observation_digest":"sha256:4f215e42cee65bae3a44d23c72adcfa5cf71bd108151a13d811f504b2002f93f","observation_id":"2c9095f7-7993-4788-8bc0-a7fb9c1cde44","resolution":{"observed_at":"2026-08-08T11:34:41.715291Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1904.09474/citation-record","integrity":"/paper/1904.09474/integrity","json":"/paper/1904.09474/citation-record.json","paper":"/paper/1904.09474"},"outbound":[],"paper":{"arxiv_id":"1904.09474","last_updated":"2019-12-17T16:45:56Z","latest_version":4,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-16T13:23:32.550399Z","submitted_at":"2019-04-20T18:03:56Z","title":"Repetition Cat Qubits for Fault-Tolerant Quantum Computation"},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1904.09474."}