{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:COJF5NIV3WHVY3IV3XLIHVVP2V","short_pith_number":"pith:COJF5NIV","canonical_record":{"source":{"id":"0708.0584","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-08-06T16:43:31Z","cross_cats_sorted":[],"title_canon_sha256":"8d8a547d7b860ffaa3fa678808d6c396e124c43b634b263c0d484ebb0c32b17c","abstract_canon_sha256":"f2818cb37b8bfa7d3386fc5a00589f52821bbb00c13ca981e1b573ab740c66a5"},"schema_version":"1.0"},"canonical_sha256":"13925eb515dd8f5c6d15ddd683d6afd546878a67a54fb4df01a88ce19593d6a7","source":{"kind":"arxiv","id":"0708.0584","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.0584","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"arxiv_version","alias_value":"0708.0584v1","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.0584","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"pith_short_12","alias_value":"COJF5NIV3WHV","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"pith_short_16","alias_value":"COJF5NIV3WHVY3IV","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"pith_short_8","alias_value":"COJF5NIV","created_at":"2026-07-04T15:06:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:COJF5NIV3WHVY3IV3XLIHVVP2V","target":"record","payload":{"canonical_record":{"source":{"id":"0708.0584","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-08-06T16:43:31Z","cross_cats_sorted":[],"title_canon_sha256":"8d8a547d7b860ffaa3fa678808d6c396e124c43b634b263c0d484ebb0c32b17c","abstract_canon_sha256":"f2818cb37b8bfa7d3386fc5a00589f52821bbb00c13ca981e1b573ab740c66a5"},"schema_version":"1.0"},"canonical_sha256":"13925eb515dd8f5c6d15ddd683d6afd546878a67a54fb4df01a88ce19593d6a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:06:32.180911Z","signature_b64":"vbWsQmnJcVuaGDFc0VgDYWjUjXuXegvNdZvHoQKr5BdbWXHdbO5E9+BhTfpDoJDKrNzzhvrO2MmWAc2wok7qBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13925eb515dd8f5c6d15ddd683d6afd546878a67a54fb4df01a88ce19593d6a7","last_reissued_at":"2026-07-04T15:06:32.180519Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:06:32.180519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0708.0584","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:06:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XZVAB4HKn3iBMYP5DBrrUzaIs4d0Ye9ueEQXFt0JCazTBYKQHiMeDlnfdDUZm8+fQn38snbwu/N1y7dk/VsECA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:18:03.946255Z"},"content_sha256":"595b361789ccfb9c30c2e2beb9df199c48752b8c7430adad55c82f34259237bb","schema_version":"1.0","event_id":"sha256:595b361789ccfb9c30c2e2beb9df199c48752b8c7430adad55c82f34259237bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:COJF5NIV3WHVY3IV3XLIHVVP2V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental Falsification of Leggett's Non-Local Variable Model","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alexander Ling, Antia Lamas-Linares, Christian Kurtsiefer, Cyril Branciard, Nicolas Gisin, Valerio Scarani","submitted_at":"2007-08-06T16:43:31Z","abstract_excerpt":"Bell's theorem guarantees that no model based on local variables can reproduce quantum correlations. Also some models based on non-local variables, if subject to apparently \"reasonable\" constraints, may fail to reproduce quantum physics. In this paper, we introduce a family of inequalities, which allow testing Leggett's non-local model versus quantum physics, and which can be tested in an experiment without additional assumptions. Our experimental data falsify Leggett's model and are in agreement with quantum predictions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.0584","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0708.0584/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:06:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"spIBHlI/zPRRRQNnK4Anousa7EF7642O8doMK8MN7fH/h0mDsRPATcKMzjv3NJFe39AygoewcVe/zlFr38GDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:18:03.946801Z"},"content_sha256":"e2882ba98ae9ca729d38a13a765fa269e0cc19df54b3dc69d7c3fade002aee75","schema_version":"1.0","event_id":"sha256:e2882ba98ae9ca729d38a13a765fa269e0cc19df54b3dc69d7c3fade002aee75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/COJF5NIV3WHVY3IV3XLIHVVP2V/bundle.json","state_url":"https://pith.science/pith/COJF5NIV3WHVY3IV3XLIHVVP2V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/COJF5NIV3WHVY3IV3XLIHVVP2V/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":"2026-08-05T11:18:03Z","links":{"resolver":"https://pith.science/pith/COJF5NIV3WHVY3IV3XLIHVVP2V","bundle":"https://pith.science/pith/COJF5NIV3WHVY3IV3XLIHVVP2V/bundle.json","state":"https://pith.science/pith/COJF5NIV3WHVY3IV3XLIHVVP2V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/COJF5NIV3WHVY3IV3XLIHVVP2V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:COJF5NIV3WHVY3IV3XLIHVVP2V","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":"f2818cb37b8bfa7d3386fc5a00589f52821bbb00c13ca981e1b573ab740c66a5","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2007-08-06T16:43:31Z","title_canon_sha256":"8d8a547d7b860ffaa3fa678808d6c396e124c43b634b263c0d484ebb0c32b17c"},"schema_version":"1.0","source":{"id":"0708.0584","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0708.0584","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"arxiv_version","alias_value":"0708.0584v1","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0708.0584","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"pith_short_12","alias_value":"COJF5NIV3WHV","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"pith_short_16","alias_value":"COJF5NIV3WHVY3IV","created_at":"2026-07-04T15:06:32Z"},{"alias_kind":"pith_short_8","alias_value":"COJF5NIV","created_at":"2026-07-04T15:06:32Z"}],"graph_snapshots":[{"event_id":"sha256:e2882ba98ae9ca729d38a13a765fa269e0cc19df54b3dc69d7c3fade002aee75","target":"graph","created_at":"2026-07-04T15:06:32Z","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/0708.0584/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Bell's theorem guarantees that no model based on local variables can reproduce quantum correlations. Also some models based on non-local variables, if subject to apparently \"reasonable\" constraints, may fail to reproduce quantum physics. In this paper, we introduce a family of inequalities, which allow testing Leggett's non-local model versus quantum physics, and which can be tested in an experiment without additional assumptions. Our experimental data falsify Leggett's model and are in agreement with quantum predictions.","authors_text":"Alexander Ling, Antia Lamas-Linares, Christian Kurtsiefer, Cyril Branciard, Nicolas Gisin, Valerio Scarani","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2007-08-06T16:43:31Z","title":"Experimental Falsification of Leggett's Non-Local Variable Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0708.0584","kind":"arxiv","version":1},"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":"sha256:595b361789ccfb9c30c2e2beb9df199c48752b8c7430adad55c82f34259237bb","target":"record","created_at":"2026-07-04T15:06:32Z","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":"f2818cb37b8bfa7d3386fc5a00589f52821bbb00c13ca981e1b573ab740c66a5","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2007-08-06T16:43:31Z","title_canon_sha256":"8d8a547d7b860ffaa3fa678808d6c396e124c43b634b263c0d484ebb0c32b17c"},"schema_version":"1.0","source":{"id":"0708.0584","kind":"arxiv","version":1}},"canonical_sha256":"13925eb515dd8f5c6d15ddd683d6afd546878a67a54fb4df01a88ce19593d6a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13925eb515dd8f5c6d15ddd683d6afd546878a67a54fb4df01a88ce19593d6a7","first_computed_at":"2026-07-04T15:06:32.180519Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:06:32.180519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vbWsQmnJcVuaGDFc0VgDYWjUjXuXegvNdZvHoQKr5BdbWXHdbO5E9+BhTfpDoJDKrNzzhvrO2MmWAc2wok7qBg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:06:32.180911Z","signed_message":"canonical_sha256_bytes"},"source_id":"0708.0584","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:595b361789ccfb9c30c2e2beb9df199c48752b8c7430adad55c82f34259237bb","sha256:e2882ba98ae9ca729d38a13a765fa269e0cc19df54b3dc69d7c3fade002aee75"],"state_sha256":"f2db07aa7e8a7a21b212774c400a4ebea89d3b062a79dad6f340b9a3c9f8a081"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZfZ0hhxbruq9YUx3aGx6CQB5mwMvHGgDjCDSQ8C4vkPTbW5AEMpfaICD3xSKIrKMd7hHGSzH8Mj9F4nX/2eyAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T11:18:03.949564Z","bundle_sha256":"141331c9cb9f666a2d658ab52ac6f87084b4e2117237c671220e8c523642bf13"}}