{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:7E7D7D3S3WCJ6C7EVJJU53T3R6","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":"d1383e0e6b1dc0ecc6ed5d839d77e50642c92fc8592a2f3ea981e236f25e0b5c","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-10-06T18:02:21Z","title_canon_sha256":"659c2c619d139d36f2fd8ae54840772a689a20134665c22e38df22cac5b33641"},"schema_version":"1.0","source":{"id":"quant-ph/0310042","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0310042","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0310042v2","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0310042","created_at":"2026-05-18T01:05:03Z"},{"alias_kind":"pith_short_12","alias_value":"7E7D7D3S3WCJ","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"7E7D7D3S3WCJ6C7E","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"7E7D7D3S","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:47a4dd515f3625c4a1d6bd1193b04658214307b0c121557798fb1a44e5e9c7db","target":"graph","created_at":"2026-05-18T01:05:03Z","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 implemented the experiment proposed by Cabello [arXiv:quant-ph/0309172] to test the bounds of quantum correlation. As expected from the theory we found that, for certain choices of local observables, Cirel'son's bound of the Clauser-Horne-Shimony-Holt inequality ($2\\sqrt{2}$) is not reached by any quantum states.","authors_text":"F. A. Bovino, G. Castagnoli, I. P. Degiovanni, S. Castelletto","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2003-10-06T18:02:21Z","title":"Experimental evidence for bounds on quantum correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0310042","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":"sha256:0708c6013e68e52ace05452e30c0df246afa41456d31071024a7b1b5ff131ff3","target":"record","created_at":"2026-05-18T01:05:03Z","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":"d1383e0e6b1dc0ecc6ed5d839d77e50642c92fc8592a2f3ea981e236f25e0b5c","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2003-10-06T18:02:21Z","title_canon_sha256":"659c2c619d139d36f2fd8ae54840772a689a20134665c22e38df22cac5b33641"},"schema_version":"1.0","source":{"id":"quant-ph/0310042","kind":"arxiv","version":2}},"canonical_sha256":"f93e3f8f72dd849f0be4aa534eee7b8f9ba36a915178c37fa3e2dc965f8f40ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f93e3f8f72dd849f0be4aa534eee7b8f9ba36a915178c37fa3e2dc965f8f40ac","first_computed_at":"2026-05-18T01:05:03.805382Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:03.805382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0qk1iUJCAZdqM3hoLkPZ/4wuG5w6kT/L5OTEMlYhtLnXKH2FaU11Ucr7LV+saK0ktDh2H1f7omGLTqKnilJcCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:03.805955Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0310042","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0708c6013e68e52ace05452e30c0df246afa41456d31071024a7b1b5ff131ff3","sha256:47a4dd515f3625c4a1d6bd1193b04658214307b0c121557798fb1a44e5e9c7db"],"state_sha256":"e8aeac4c717d00f9b7189683edc66196bb2095f25d71feb9f30eb322e151b238"}