{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:WMT24TDFCWAEDPX4FZUKVTJWYH","short_pith_number":"pith:WMT24TDF","canonical_record":{"source":{"id":"1008.3612","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-21T08:15:05Z","cross_cats_sorted":[],"title_canon_sha256":"0a2ef4477d862ac653131254b4851adbdcd5534a45ebefc38ebab58ec3c7ee40","abstract_canon_sha256":"8b185c9a65272a471b72ef79912349279e72e96f394056b647e82a1bdbcd781a"},"schema_version":"1.0"},"canonical_sha256":"b327ae4c65158041befc2e68aacd36c1c73337e5f986d2f7f984588f83199298","source":{"kind":"arxiv","id":"1008.3612","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3612","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3612v2","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3612","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"pith_short_12","alias_value":"WMT24TDFCWAE","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"WMT24TDFCWAEDPX4","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"WMT24TDF","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:WMT24TDFCWAEDPX4FZUKVTJWYH","target":"record","payload":{"canonical_record":{"source":{"id":"1008.3612","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-21T08:15:05Z","cross_cats_sorted":[],"title_canon_sha256":"0a2ef4477d862ac653131254b4851adbdcd5534a45ebefc38ebab58ec3c7ee40","abstract_canon_sha256":"8b185c9a65272a471b72ef79912349279e72e96f394056b647e82a1bdbcd781a"},"schema_version":"1.0"},"canonical_sha256":"b327ae4c65158041befc2e68aacd36c1c73337e5f986d2f7f984588f83199298","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:37.303017Z","signature_b64":"TbIXF95ikQtGK6N3PTOsqwRAi+kBv+2n0KPNGvWL1aA+cViCx9nK+r+yNm2360kLYmWCKZm/2buQR6JlUeD7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b327ae4c65158041befc2e68aacd36c1c73337e5f986d2f7f984588f83199298","last_reissued_at":"2026-05-18T03:23:37.302291Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:37.302291Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.3612","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:23:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OzxvD4xXxkn3Sno4wrPlYueS4Pt1L4Mnnog3zy1jwnbCRT3H406tcWooirGVvblGwrVYR/4DisZw+/FVStw2Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:27:07.148327Z"},"content_sha256":"f025dcd7d9c5f8c8a7b2144b9253269e6e51d9cddc9b66220690bedf0591bbf4","schema_version":"1.0","event_id":"sha256:f025dcd7d9c5f8c8a7b2144b9253269e6e51d9cddc9b66220690bedf0591bbf4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:WMT24TDFCWAEDPX4FZUKVTJWYH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How much measurement independence is needed in order to demonstrate nonlocality?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jonathan Barrett, Nicolas Gisin","submitted_at":"2010-08-21T08:15:05Z","abstract_excerpt":"If nonlocality is to be inferred from a violation of Bell's inequality, an important assumption is that the measurement settings are freely chosen by the observers, or alternatively, that they are random and uncorrelated with the hypothetical local variables. We study the case where this assumption is weakened, so that measurement settings and local variables are at least partially correlated. As we show, there is a connection between this type of model and models which reproduce nonlocal correlations by allowing classical communication between the distant parties, and a connection with models"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3612","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:23:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mCnfqIiGWQUpfdYlaxDA/5x8xXCgNUjoxP8eB4875JoB7f325Qr3Ojb16KseznwCx/pO+/A8UO+1uY2i+1JnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:27:07.148666Z"},"content_sha256":"1f81c620b2fa4eec0f2449ca7aee876e9acb3d83ec49d04d83f0bc27cf68f746","schema_version":"1.0","event_id":"sha256:1f81c620b2fa4eec0f2449ca7aee876e9acb3d83ec49d04d83f0bc27cf68f746"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WMT24TDFCWAEDPX4FZUKVTJWYH/bundle.json","state_url":"https://pith.science/pith/WMT24TDFCWAEDPX4FZUKVTJWYH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WMT24TDFCWAEDPX4FZUKVTJWYH/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-02T10:27:07Z","links":{"resolver":"https://pith.science/pith/WMT24TDFCWAEDPX4FZUKVTJWYH","bundle":"https://pith.science/pith/WMT24TDFCWAEDPX4FZUKVTJWYH/bundle.json","state":"https://pith.science/pith/WMT24TDFCWAEDPX4FZUKVTJWYH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WMT24TDFCWAEDPX4FZUKVTJWYH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:WMT24TDFCWAEDPX4FZUKVTJWYH","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":"8b185c9a65272a471b72ef79912349279e72e96f394056b647e82a1bdbcd781a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-21T08:15:05Z","title_canon_sha256":"0a2ef4477d862ac653131254b4851adbdcd5534a45ebefc38ebab58ec3c7ee40"},"schema_version":"1.0","source":{"id":"1008.3612","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3612","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3612v2","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3612","created_at":"2026-05-18T03:23:37Z"},{"alias_kind":"pith_short_12","alias_value":"WMT24TDFCWAE","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"WMT24TDFCWAEDPX4","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"WMT24TDF","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:1f81c620b2fa4eec0f2449ca7aee876e9acb3d83ec49d04d83f0bc27cf68f746","target":"graph","created_at":"2026-05-18T03:23:37Z","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":"If nonlocality is to be inferred from a violation of Bell's inequality, an important assumption is that the measurement settings are freely chosen by the observers, or alternatively, that they are random and uncorrelated with the hypothetical local variables. We study the case where this assumption is weakened, so that measurement settings and local variables are at least partially correlated. As we show, there is a connection between this type of model and models which reproduce nonlocal correlations by allowing classical communication between the distant parties, and a connection with models","authors_text":"Jonathan Barrett, Nicolas Gisin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-21T08:15:05Z","title":"How much measurement independence is needed in order to demonstrate nonlocality?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3612","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:f025dcd7d9c5f8c8a7b2144b9253269e6e51d9cddc9b66220690bedf0591bbf4","target":"record","created_at":"2026-05-18T03:23:37Z","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":"8b185c9a65272a471b72ef79912349279e72e96f394056b647e82a1bdbcd781a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-08-21T08:15:05Z","title_canon_sha256":"0a2ef4477d862ac653131254b4851adbdcd5534a45ebefc38ebab58ec3c7ee40"},"schema_version":"1.0","source":{"id":"1008.3612","kind":"arxiv","version":2}},"canonical_sha256":"b327ae4c65158041befc2e68aacd36c1c73337e5f986d2f7f984588f83199298","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b327ae4c65158041befc2e68aacd36c1c73337e5f986d2f7f984588f83199298","first_computed_at":"2026-05-18T03:23:37.302291Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:37.302291Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TbIXF95ikQtGK6N3PTOsqwRAi+kBv+2n0KPNGvWL1aA+cViCx9nK+r+yNm2360kLYmWCKZm/2buQR6JlUeD7CA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:37.303017Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.3612","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f025dcd7d9c5f8c8a7b2144b9253269e6e51d9cddc9b66220690bedf0591bbf4","sha256:1f81c620b2fa4eec0f2449ca7aee876e9acb3d83ec49d04d83f0bc27cf68f746"],"state_sha256":"0ad78169c1e808e6f3b39c2d96639b92292b2a25c0c0cb60319e9239ab2bffcf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JYghj+x7VK/wXpXDEWfAC4+0uT6qYQsnmTxcQ5Vlp+gAvcaue6a0Q8OxwoNKkx6ny8cVQPegdXoFygVDHhUJBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T10:27:07.150522Z","bundle_sha256":"d1c6e0f39fff0b48bb559e05e6a87aa62567eb21ea41f1fa9b0362a5c9bee781"}}