{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:NP4IOOMA36AR55CF7GVCJC6BW2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"5df0b0fc494109953f82e12235e17b3b72f4bfd71fd83543cd4cd3b3fa178507","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1999-07-08T13:59:18Z","title_canon_sha256":"8ae70703a0cebd03ff9f55c3cedcb1cd258c322b5b55e598de60c8daaff7f276"},"schema_version":"1.0","source":{"id":"quant-ph/9907030","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/9907030","created_at":"2026-05-18T01:37:52Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/9907030v3","created_at":"2026-05-18T01:37:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/9907030","created_at":"2026-05-18T01:37:52Z"},{"alias_kind":"pith_short_12","alias_value":"NP4IOOMA36AR","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"NP4IOOMA36AR55CF","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"NP4IOOMA","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:6cdaf1dcc9a606a6e8641bb751f2af2c6a5443968ae1f85a159ab196c395a23c","target":"graph","created_at":"2026-05-18T01:37:52Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We argue that for a \\emph{single particle} Bell's inequality is a consequence of noncontextuality and is \\emph{incompatible} with statistical predictions of quantum mechanics. Thus noncontextual models can be empirically falsified, \\emph{independent} of locality condition. For this an appropriate entanglement between \\emph{disjoint} Hilbert spaces pertaining to translational and spin degrees of freedom of a single spin-1/2 particle is invoked","authors_text":"Dipankar Home, Guruprasad Kar, Sayandeb Basu, Somshubhro Bandyopadhyay","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"1999-07-08T13:59:18Z","title":"Bell's inequality for a single spin 1/2 particle and quantum contextuality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9907030","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:aab5b9098cfeaecbe6b12392bfe6c89d8cdbb7a3d6233d9edcc504d9f3443b51","target":"record","created_at":"2026-05-18T01:37:52Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"5df0b0fc494109953f82e12235e17b3b72f4bfd71fd83543cd4cd3b3fa178507","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1999-07-08T13:59:18Z","title_canon_sha256":"8ae70703a0cebd03ff9f55c3cedcb1cd258c322b5b55e598de60c8daaff7f276"},"schema_version":"1.0","source":{"id":"quant-ph/9907030","kind":"arxiv","version":3}},"canonical_sha256":"6bf8873980df811ef445f9aa248bc1b6baaff23e9f3b43b689c7df299b2c4838","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6bf8873980df811ef445f9aa248bc1b6baaff23e9f3b43b689c7df299b2c4838","first_computed_at":"2026-05-18T01:37:52.424626Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:52.424626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BUFrPVQ6lUULvus3iBWC2KS7sFkYXCInJnSQr2CJW08qF9lox3ly+iCEo5h5Fx2H3iLtgLtaxJqC+WzlWFNECg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:52.425174Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/9907030","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aab5b9098cfeaecbe6b12392bfe6c89d8cdbb7a3d6233d9edcc504d9f3443b51","sha256:6cdaf1dcc9a606a6e8641bb751f2af2c6a5443968ae1f85a159ab196c395a23c"],"state_sha256":"e790e664b1dbcec206130a19192e7394070cbd7773695bd1c304bf064c09a86b"}