{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:C7LSGXGA5Z23Y6U2QFN2EYV6M4","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":"f4a6fbc3880d284d6e5259a51358563d93f31bde576ef072b95a6ce38c024e46","cross_cats_sorted":["hep-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-05-08T18:25:25Z","title_canon_sha256":"d8ada2a51cdf08889fcaac7f92a05fb34b6a49609885eb056771b152b3044d39"},"schema_version":"1.0","source":{"id":"2305.04982","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.04982","created_at":"2026-07-05T07:38:08Z"},{"alias_kind":"arxiv_version","alias_value":"2305.04982v2","created_at":"2026-07-05T07:38:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.04982","created_at":"2026-07-05T07:38:08Z"},{"alias_kind":"pith_short_12","alias_value":"C7LSGXGA5Z23","created_at":"2026-07-05T07:38:08Z"},{"alias_kind":"pith_short_16","alias_value":"C7LSGXGA5Z23Y6U2","created_at":"2026-07-05T07:38:08Z"},{"alias_kind":"pith_short_8","alias_value":"C7LSGXGA","created_at":"2026-07-05T07:38:08Z"}],"graph_snapshots":[{"event_id":"sha256:69961758024f60a09f0fb0cdc1881fc447c8a97c160716a19bc44f10093494a8","target":"graph","created_at":"2026-07-05T07:38:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2305.04982/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The violation of the Bell inequality is one of the hallmarks of quantum mechanics and can be used to rule out local deterministic alternative descriptions. We utilize the data analysis published by the LHCb collaboration on the helicity amplitudes for the decay $B^0\\to J/\\psi \\,K^*(892)^0$ to compute the entanglement among the polarizations of the final vector mesons and the violation of the Bell inequality that it entails. We find that quantum entanglement can be detected with a significance well above 5$\\sigma$ (nominally 84$\\sigma$) and Bell inequality is violated with a significance well a","authors_text":"E. Gabrielli, L. Marzola, M. Fabbrichesi, R. Floreanini","cross_cats":["hep-ex","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-05-08T18:25:25Z","title":"Bell inequality is violated in $B^0\\to J/\\psi \\, K^{\\star}(892)^0$ decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.04982","kind":"arxiv","version":2},"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:a3e1b6e7396c4d9684d7a3907c4c423e40165c648275fb6ca38879c4b39a00d4","target":"record","created_at":"2026-07-05T07:38:08Z","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":"f4a6fbc3880d284d6e5259a51358563d93f31bde576ef072b95a6ce38c024e46","cross_cats_sorted":["hep-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-05-08T18:25:25Z","title_canon_sha256":"d8ada2a51cdf08889fcaac7f92a05fb34b6a49609885eb056771b152b3044d39"},"schema_version":"1.0","source":{"id":"2305.04982","kind":"arxiv","version":2}},"canonical_sha256":"17d7235cc0ee75bc7a9a815ba262be672b4659f03129c54e3d431faf1268f577","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17d7235cc0ee75bc7a9a815ba262be672b4659f03129c54e3d431faf1268f577","first_computed_at":"2026-07-05T07:38:08.679143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:38:08.679143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/4i0emmcYBBOiZ2MA8DzdPZW/mWGQD2LlsZZ6zmwA82ppczu2GHfIO1i9ST4dlXnU4ME9D+Okf5ZUiqvodr+DA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:38:08.679644Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.04982","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3e1b6e7396c4d9684d7a3907c4c423e40165c648275fb6ca38879c4b39a00d4","sha256:69961758024f60a09f0fb0cdc1881fc447c8a97c160716a19bc44f10093494a8"],"state_sha256":"7263f16357d6b2c9c8a8c59cbb32cd84292a318e9e2d23970a19dfdab492eb8e"}