{"as_of":"2026-08-21T01:42:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:223ee3610a754b26434acbea828f69dc223cfcec059f2e7e76940933b199ccd3","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":6,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":6,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-20T06:33:59.587034+00:00","state":"measured"},{"denominator":6,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":6,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-12T10:24:33.659905Z","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":"2026-05-23T08:27:44.334774Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1904.12956","last_updated":"2019-09-06T12:13:29Z","snapshot_observed_at":"2026-08-19T15:25:55.484035Z","submitted_at":"2019-04-29T21:37:16Z","title":"An overview of Quantum Cellular Automata","version":2},"cited_work":{"arxiv_id":"1904.12956","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1904.12956","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"An overview of quantum cellular automata","venue":null,"work_id":"9ddb47c3-6961-46ce-a384-6a5d9a03c799","year":2019},"citing_paper":{"arxiv_id":"2411.16843","last_updated":"2026-04-07T20:22:42Z","snapshot_observed_at":"2026-08-12T20:24:18.264726Z","submitted_at":"2024-11-25T19:00:01Z","title":"Mobility edges in pseudo-unitary quasiperiodic quantum walks","version":2},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-05-23T08:26:52.512150Z"},"links":{"cited_paper":"/paper/1904.12956","citing_paper":"/paper/2411.16843"},"observation_digest":"sha256:d2c559e50aed2c5254c6e31e9772d2d143ed9c65b6753a7cbbb2244ede3bcf49","observation_id":"9926967b-18cb-417a-9d74-3949204ea001","resolution":{"observed_at":"2026-05-23T08:27:44.338049Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.12956","last_updated":"2019-09-06T12:13:29Z","snapshot_observed_at":"2026-08-19T15:25:55.484035Z","submitted_at":"2019-04-29T21:37:16Z","title":"An overview of Quantum Cellular Automata","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.12956","snapshot_observed_at":"2026-08-12T10:24:33.659905Z","title":"Arrighi, An overview of Quantum Cellular Automata, arXiv e-prints , arXiv:1904.12956 (2019), arXiv:1904.12956 [quant-ph]","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2411.19280","last_updated":"2026-05-27T05:01:22Z","snapshot_observed_at":"2026-08-16T16:49:34.602939Z","submitted_at":"2024-11-28T17:22:50Z","title":"Quantum Cellular Automata on Symmetric Subalgebras","version":3},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-12T10:24:33.659905Z"},"links":{"cited_paper":"/paper/1904.12956","citing_paper":"/paper/2411.19280"},"observation_digest":"sha256:485e3f1e9cf731a78295d873470099bad70cdf76b2efc7a174a1bc7de183a5bb","observation_id":"168a7824-ee3f-4267-a776-77c6d2cfa65c","resolution":{"observed_at":"2026-08-12T10:24:33.659905Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1904.12956","last_updated":"2019-09-06T12:13:29Z","snapshot_observed_at":"2026-08-19T15:25:55.484035Z","submitted_at":"2019-04-29T21:37:16Z","title":"An overview of Quantum Cellular Automata","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.12956","snapshot_observed_at":"2026-08-06T22:21:11.862816Z","title":"An overview of quantum cellular automata,","venue":null,"work_id":null,"year":1904},"citing_paper":{"arxiv_id":"2506.22219","last_updated":"2025-06-27T13:36:50Z","snapshot_observed_at":"2026-08-06T22:06:28.661361Z","submitted_at":"2025-06-27T13:36:50Z","title":"Causal Decompositions of 1D Quantum Cellular Automata","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-06T22:21:11.862816Z"},"links":{"cited_paper":"/paper/1904.12956","citing_paper":"/paper/2506.22219"},"observation_digest":"sha256:fc84bf79aa24a3ce4e4739021a159d1426a1cbcbf42aaa1451315756ab2e56d6","observation_id":"aa8d557d-5248-431a-ba99-c0ec65e33765","resolution":{"observed_at":"2026-08-06T22:21:11.862816Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1904.12956","last_updated":"2019-09-06T12:13:29Z","snapshot_observed_at":"2026-08-19T15:25:55.484035Z","submitted_at":"2019-04-29T21:37:16Z","title":"An overview of Quantum Cellular Automata","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.12956","snapshot_observed_at":"2026-08-03T17:07:40.199108Z","title":"Arrighi, An overview of quantum cellular automata, Natural Comput","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2512.11054","last_updated":"2026-06-22T20:20:48Z","snapshot_observed_at":"2026-08-16T18:11:52.213711Z","submitted_at":"2025-12-11T19:11:26Z","title":"Crystalline Spectral Form Factors","version":3},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-03T17:07:40.199108Z"},"links":{"cited_paper":"/paper/1904.12956","citing_paper":"/paper/2512.11054"},"observation_digest":"sha256:79e878b11ed79930354b16091a93dec5ac9d1248c492fa942f1205a5953025ad","observation_id":"40c695fb-f099-43c8-808e-de656b54496a","resolution":{"observed_at":"2026-08-03T17:07:40.199108Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1904.12956","last_updated":"2019-09-06T12:13:29Z","snapshot_observed_at":"2026-08-19T15:25:55.484035Z","submitted_at":"2019-04-29T21:37:16Z","title":"An overview of Quantum Cellular Automata","version":2},"cited_work":{"arxiv_id":"1904.12956","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1904.12956","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"An overview of quantum cellular automata","venue":null,"work_id":"9ddb47c3-6961-46ce-a384-6a5d9a03c799","year":2019},"citing_paper":{"arxiv_id":"2605.15194","last_updated":"2026-05-14T17:59:45Z","snapshot_observed_at":"2026-08-12T13:36:57.077289Z","submitted_at":"2026-05-14T17:59:45Z","title":"Non-Invertible Symmetries on Tensor-Product Hilbert Spaces and Quantum Cellular Automata","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-05-15T02:51:36.560672Z"},"links":{"cited_paper":"/paper/1904.12956","citing_paper":"/paper/2605.15194"},"observation_digest":"sha256:95cf4d1183fd13026c2e75022753f7a33f71a2440d56a0ba941e404eb9c00241","observation_id":"d6c60ba1-3829-45f3-a636-7f23cf58d6a2","resolution":{"observed_at":"2026-05-15T02:53:33.686485Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1904.12956","last_updated":"2019-09-06T12:13:29Z","snapshot_observed_at":"2026-08-19T15:25:55.484035Z","submitted_at":"2019-04-29T21:37:16Z","title":"An overview of Quantum Cellular Automata","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1904.12956","snapshot_observed_at":"2026-08-01T06:57:48.687380Z","title":"An overview of quantum cellular automata,","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2607.21728","last_updated":"2026-07-23T18:24:51Z","snapshot_observed_at":"2026-08-15T01:24:07.490361Z","submitted_at":"2026-07-23T18:24:51Z","title":"Quantum Cellular Automata from Kramers-Wannier Dualities and Modular Relations","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-01T06:57:48.687380Z"},"links":{"cited_paper":"/paper/1904.12956","citing_paper":"/paper/2607.21728"},"observation_digest":"sha256:375feb4e02f6365826a63b9a4afdea250aa5ee27adb723d683899d3410ccb7ff","observation_id":"6c56e5a0-1c71-40ff-bda7-e51602b4b6c4","resolution":{"observed_at":"2026-08-01T06:57:48.687380Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1904.12956/citation-record","integrity":"/paper/1904.12956/integrity","json":"/paper/1904.12956/citation-record.json","paper":"/paper/1904.12956"},"outbound":[],"paper":{"arxiv_id":"1904.12956","last_updated":"2019-09-06T12:13:29Z","latest_version":2,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-19T15:25:55.484035Z","submitted_at":"2019-04-29T21:37:16Z","title":"An overview of Quantum Cellular Automata"},"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":"2026-08-20T06:33:59.587034+00:00","source":"crossref"},{"observed_at":"2026-08-20T06:33:54.927442+00:00","source":"retraction_watch"}],"thesis":"As of 21 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 6 inbound Pith citation observations for arXiv:1904.12956."}