{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:7PCOUYXFZONH272UJYQST4RWBQ","short_pith_number":"pith:7PCOUYXF","schema_version":"1.0","canonical_sha256":"fbc4ea62e5cb9a7d7f544e2129f2360c3c24900ec8deaf0ff612a1ea524c5406","source":{"kind":"arxiv","id":"1708.00843","version":2},"attestation_state":"computed","paper":{"title":"Almost Equivalent Paradigms of Contextuality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LO"],"primary_cat":"quant-ph","authors_text":"Linde Wester (University of Oxford)","submitted_at":"2017-08-02T17:35:07Z","abstract_excerpt":"Various frameworks that generalise the notion of contextuality in theories of physics have been proposed; one is the sheaf-theoretic approach by Abramsky and Brandenburger; an other is the equivalence-based approach by Spekkens.  We show that these frameworks are equivalent for scenarios with preparations and measurements, whenever factorizability is justified. This connection gives rise to a categorical isomorphism between suitable categories. We combine the advantages of the two approaches to derive a canonical method for detecting contextuality in such settings."},"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":"1708.00843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-02T17:35:07Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"c8c6a2e0bdf66075895d1d849d5a13352db44ed93cfa0ed5ec269de8dc9b52a2","abstract_canon_sha256":"147cf59edba98149dc530c98e591daa4b9266aaa7a838f824fdc27ce5a2daf57"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:10.805802Z","signature_b64":"S5PjpEVaOQv0h2nP9KvuVxJsRv5jUz7Eu0HxYXifDaHFY3Nz5DHQlrSJnZALl6ad5+HtGFcwfPkMzXAWctBGDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbc4ea62e5cb9a7d7f544e2129f2360c3c24900ec8deaf0ff612a1ea524c5406","last_reissued_at":"2026-05-18T00:22:10.805393Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:10.805393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Almost Equivalent Paradigms of Contextuality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LO"],"primary_cat":"quant-ph","authors_text":"Linde Wester (University of Oxford)","submitted_at":"2017-08-02T17:35:07Z","abstract_excerpt":"Various frameworks that generalise the notion of contextuality in theories of physics have been proposed; one is the sheaf-theoretic approach by Abramsky and Brandenburger; an other is the equivalence-based approach by Spekkens.  We show that these frameworks are equivalent for scenarios with preparations and measurements, whenever factorizability is justified. This connection gives rise to a categorical isomorphism between suitable categories. We combine the advantages of the two approaches to derive a canonical method for detecting contextuality in such settings."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.00843","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":""},"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":"1708.00843","created_at":"2026-05-18T00:22:10.805455+00:00"},{"alias_kind":"arxiv_version","alias_value":"1708.00843v2","created_at":"2026-05-18T00:22:10.805455+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.00843","created_at":"2026-05-18T00:22:10.805455+00:00"},{"alias_kind":"pith_short_12","alias_value":"7PCOUYXFZONH","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_16","alias_value":"7PCOUYXFZONH272U","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_8","alias_value":"7PCOUYXF","created_at":"2026-05-18T12:31:05.417338+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ","json":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ.json","graph_json":"https://pith.science/api/pith-number/7PCOUYXFZONH272UJYQST4RWBQ/graph.json","events_json":"https://pith.science/api/pith-number/7PCOUYXFZONH272UJYQST4RWBQ/events.json","paper":"https://pith.science/paper/7PCOUYXF"},"agent_actions":{"view_html":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ","download_json":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ.json","view_paper":"https://pith.science/paper/7PCOUYXF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1708.00843&json=true","fetch_graph":"https://pith.science/api/pith-number/7PCOUYXFZONH272UJYQST4RWBQ/graph.json","fetch_events":"https://pith.science/api/pith-number/7PCOUYXFZONH272UJYQST4RWBQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ/action/storage_attestation","attest_author":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ/action/author_attestation","sign_citation":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ/action/citation_signature","submit_replication":"https://pith.science/pith/7PCOUYXFZONH272UJYQST4RWBQ/action/replication_record"}},"created_at":"2026-05-18T00:22:10.805455+00:00","updated_at":"2026-05-18T00:22:10.805455+00:00"}