{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:WISOPU2YKWLZXIZPDDMCNA4GMX","short_pith_number":"pith:WISOPU2Y","schema_version":"1.0","canonical_sha256":"b224e7d35855979ba32f18d826838665de238f2c0ad190a4757c338c07ec31f4","source":{"kind":"arxiv","id":"1903.07007","version":2},"attestation_state":"computed","paper":{"title":"A quantum cellular automaton for one-dimensional QED","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","cs.DM","hep-lat","math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"C\\'edric B\\'eny, Pablo Arrighi, Terry Farrelly","submitted_at":"2019-03-17T00:27:49Z","abstract_excerpt":"We propose a discrete spacetime formulation of quantum electrodynamics in one-dimension (a.k.a the Schwinger model) in terms of quantum cellular automata, i.e. translationally invariant circuits of local quantum gates. These have exact gauge covariance and a maximum speed of information propagation. In this picture, the interacting quantum field theory is defined as a \"convergent\" sequence of quantum cellular automata, parameterized by the spacetime lattice spacing---encompassing the notions of continuum limit and renormalization, and at the same time providing a quantum simulation algorithm f"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1903.07007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-17T00:27:49Z","cross_cats_sorted":["cond-mat.other","cs.DM","hep-lat","math-ph","math.MP"],"title_canon_sha256":"ccc18008d057431151cfa1c24d397390a8abc6bfe9c4412c3dc97a6aa174754e","abstract_canon_sha256":"f1cefb90fe913137074811133d5f6364d6d2ec789d12ad0e5af1169b7db5324b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:55:27.542684Z","signature_b64":"3WUC9vTsssrsHwMWrU+hA1i2wl4wr3c7qOfddeJTX2HepFqjLDvMmb3EKzpyK0fmdGjjpmJ8G5CtA8caLIYfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b224e7d35855979ba32f18d826838665de238f2c0ad190a4757c338c07ec31f4","last_reissued_at":"2026-07-05T00:55:27.542189Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:55:27.542189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A quantum cellular automaton for one-dimensional QED","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","cs.DM","hep-lat","math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"C\\'edric B\\'eny, Pablo Arrighi, Terry Farrelly","submitted_at":"2019-03-17T00:27:49Z","abstract_excerpt":"We propose a discrete spacetime formulation of quantum electrodynamics in one-dimension (a.k.a the Schwinger model) in terms of quantum cellular automata, i.e. translationally invariant circuits of local quantum gates. These have exact gauge covariance and a maximum speed of information propagation. In this picture, the interacting quantum field theory is defined as a \"convergent\" sequence of quantum cellular automata, parameterized by the spacetime lattice spacing---encompassing the notions of continuum limit and renormalization, and at the same time providing a quantum simulation algorithm f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.07007","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1903.07007/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1903.07007","created_at":"2026-07-05T00:55:27.542258+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.07007v2","created_at":"2026-07-05T00:55:27.542258+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.07007","created_at":"2026-07-05T00:55:27.542258+00:00"},{"alias_kind":"pith_short_12","alias_value":"WISOPU2YKWLZ","created_at":"2026-07-05T00:55:27.542258+00:00"},{"alias_kind":"pith_short_16","alias_value":"WISOPU2YKWLZXIZP","created_at":"2026-07-05T00:55:27.542258+00:00"},{"alias_kind":"pith_short_8","alias_value":"WISOPU2Y","created_at":"2026-07-05T00:55:27.542258+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.22219","citing_title":"Causal Decompositions of 1D Quantum Cellular Automata","ref_index":17,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX","json":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX.json","graph_json":"https://pith.science/api/pith-number/WISOPU2YKWLZXIZPDDMCNA4GMX/graph.json","events_json":"https://pith.science/api/pith-number/WISOPU2YKWLZXIZPDDMCNA4GMX/events.json","paper":"https://pith.science/paper/WISOPU2Y"},"agent_actions":{"view_html":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX","download_json":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX.json","view_paper":"https://pith.science/paper/WISOPU2Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.07007&json=true","fetch_graph":"https://pith.science/api/pith-number/WISOPU2YKWLZXIZPDDMCNA4GMX/graph.json","fetch_events":"https://pith.science/api/pith-number/WISOPU2YKWLZXIZPDDMCNA4GMX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX/action/storage_attestation","attest_author":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX/action/author_attestation","sign_citation":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX/action/citation_signature","submit_replication":"https://pith.science/pith/WISOPU2YKWLZXIZPDDMCNA4GMX/action/replication_record"}},"created_at":"2026-07-05T00:55:27.542258+00:00","updated_at":"2026-07-05T00:55:27.542258+00:00"}