{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7OXDD5PSKZ6FGPICQXLTJHN52J","short_pith_number":"pith:7OXDD5PS","canonical_record":{"source":{"id":"1309.0712","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-03T14:58:20Z","cross_cats_sorted":[],"title_canon_sha256":"98b0139af89b0ec12744e7e018c7c550446d52fe4556e447decc0b22049b15be","abstract_canon_sha256":"8992cc506ef92819229c2bf5523b6d95a4fc05072e4055f045e2b50eef981704"},"schema_version":"1.0"},"canonical_sha256":"fbae31f5f2567c533d0285d7349dbdd24232aec67b43e172387f1843bc326c35","source":{"kind":"arxiv","id":"1309.0712","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.0712","created_at":"2026-05-18T02:42:06Z"},{"alias_kind":"arxiv_version","alias_value":"1309.0712v2","created_at":"2026-05-18T02:42:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.0712","created_at":"2026-05-18T02:42:06Z"},{"alias_kind":"pith_short_12","alias_value":"7OXDD5PSKZ6F","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7OXDD5PSKZ6FGPIC","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7OXDD5PS","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7OXDD5PSKZ6FGPICQXLTJHN52J","target":"record","payload":{"canonical_record":{"source":{"id":"1309.0712","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-03T14:58:20Z","cross_cats_sorted":[],"title_canon_sha256":"98b0139af89b0ec12744e7e018c7c550446d52fe4556e447decc0b22049b15be","abstract_canon_sha256":"8992cc506ef92819229c2bf5523b6d95a4fc05072e4055f045e2b50eef981704"},"schema_version":"1.0"},"canonical_sha256":"fbae31f5f2567c533d0285d7349dbdd24232aec67b43e172387f1843bc326c35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:06.174615Z","signature_b64":"ZZKVYef3QPrzNi032qKMhaHfhLyzUTy0kSr64hB3yNk/vFpDAPeWsr1yKHB9VXiyYUL61L2lE6ZEFLWnMvhcAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbae31f5f2567c533d0285d7349dbdd24232aec67b43e172387f1843bc326c35","last_reissued_at":"2026-05-18T02:42:06.173982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:06.173982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.0712","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":"2026-05-18T02:42:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hSLnhgklWlqoub5KlzaBM5meVMWiJI8Sqvrnidiw4fJGpJlsrEfaDqgla+kD+mQu9g8B+npX/Jd9IqmIDTBQAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:34:28.380377Z"},"content_sha256":"4061239951113e966504832b3f963097e294a90773ec2b9874d30199f8481ee6","schema_version":"1.0","event_id":"sha256:4061239951113e966504832b3f963097e294a90773ec2b9874d30199f8481ee6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7OXDD5PSKZ6FGPICQXLTJHN52J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bell violation with entangled photons, free of the coincidence-time loophole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bernhard Wittmann, Jan-{\\AA}ke Larsson, Johannes Kofler, Marissa Giustina, Rupert Ursin, Sven Ramelow","submitted_at":"2013-09-03T14:58:20Z","abstract_excerpt":"In a local realist world view, physical properties are defined prior to and independent of measurement, and no physical influence can propagate faster than the speed of light. Proper experimental violation of a Bell inequality would show that the world cannot be described within local realism. Such experiments usually require additional assumptions that make them vulnerable to a number of \"loopholes.\" A recent experiment [Giustina et al, Nature, 2013] violated a Bell inequality without being vulnerable to the detection (or fair-sampling) loophole, therefore not needing the fair-sampling assump"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.0712","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":"2026-05-18T02:42:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uHH936lY+ekfc3CqjvVdYBCp18LGG4cOB5zi5n29+2ny7AZJHb5mAn2sK4D89C4Omb2lo//pMvTPSCSyD9zQBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:34:28.381039Z"},"content_sha256":"4117395628fcc96de9bdab826838c4b9b6b3e564d94d7aaaef408b72e6369cc0","schema_version":"1.0","event_id":"sha256:4117395628fcc96de9bdab826838c4b9b6b3e564d94d7aaaef408b72e6369cc0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7OXDD5PSKZ6FGPICQXLTJHN52J/bundle.json","state_url":"https://pith.science/pith/7OXDD5PSKZ6FGPICQXLTJHN52J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7OXDD5PSKZ6FGPICQXLTJHN52J/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":"2026-05-23T11:34:28Z","links":{"resolver":"https://pith.science/pith/7OXDD5PSKZ6FGPICQXLTJHN52J","bundle":"https://pith.science/pith/7OXDD5PSKZ6FGPICQXLTJHN52J/bundle.json","state":"https://pith.science/pith/7OXDD5PSKZ6FGPICQXLTJHN52J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7OXDD5PSKZ6FGPICQXLTJHN52J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7OXDD5PSKZ6FGPICQXLTJHN52J","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":"8992cc506ef92819229c2bf5523b6d95a4fc05072e4055f045e2b50eef981704","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-03T14:58:20Z","title_canon_sha256":"98b0139af89b0ec12744e7e018c7c550446d52fe4556e447decc0b22049b15be"},"schema_version":"1.0","source":{"id":"1309.0712","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.0712","created_at":"2026-05-18T02:42:06Z"},{"alias_kind":"arxiv_version","alias_value":"1309.0712v2","created_at":"2026-05-18T02:42:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.0712","created_at":"2026-05-18T02:42:06Z"},{"alias_kind":"pith_short_12","alias_value":"7OXDD5PSKZ6F","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7OXDD5PSKZ6FGPIC","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7OXDD5PS","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:4117395628fcc96de9bdab826838c4b9b6b3e564d94d7aaaef408b72e6369cc0","target":"graph","created_at":"2026-05-18T02:42:06Z","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":"In a local realist world view, physical properties are defined prior to and independent of measurement, and no physical influence can propagate faster than the speed of light. Proper experimental violation of a Bell inequality would show that the world cannot be described within local realism. Such experiments usually require additional assumptions that make them vulnerable to a number of \"loopholes.\" A recent experiment [Giustina et al, Nature, 2013] violated a Bell inequality without being vulnerable to the detection (or fair-sampling) loophole, therefore not needing the fair-sampling assump","authors_text":"Bernhard Wittmann, Jan-{\\AA}ke Larsson, Johannes Kofler, Marissa Giustina, Rupert Ursin, Sven Ramelow","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-03T14:58:20Z","title":"Bell violation with entangled photons, free of the coincidence-time loophole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.0712","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":"sha256:4061239951113e966504832b3f963097e294a90773ec2b9874d30199f8481ee6","target":"record","created_at":"2026-05-18T02:42:06Z","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":"8992cc506ef92819229c2bf5523b6d95a4fc05072e4055f045e2b50eef981704","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-03T14:58:20Z","title_canon_sha256":"98b0139af89b0ec12744e7e018c7c550446d52fe4556e447decc0b22049b15be"},"schema_version":"1.0","source":{"id":"1309.0712","kind":"arxiv","version":2}},"canonical_sha256":"fbae31f5f2567c533d0285d7349dbdd24232aec67b43e172387f1843bc326c35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fbae31f5f2567c533d0285d7349dbdd24232aec67b43e172387f1843bc326c35","first_computed_at":"2026-05-18T02:42:06.173982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:42:06.173982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZZKVYef3QPrzNi032qKMhaHfhLyzUTy0kSr64hB3yNk/vFpDAPeWsr1yKHB9VXiyYUL61L2lE6ZEFLWnMvhcAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:42:06.174615Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.0712","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4061239951113e966504832b3f963097e294a90773ec2b9874d30199f8481ee6","sha256:4117395628fcc96de9bdab826838c4b9b6b3e564d94d7aaaef408b72e6369cc0"],"state_sha256":"33a0393d64a1bf415a533c1210d22835981b292513dc5779f3e4203e54d1a11c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l/Uy6yXI7qtPbASj4rqTjcD0+7i62RQfWjDfgFDe7D/ORSHMnRFKUczGEBRu4UPVHAXX2ZbnCGmPmbJlAy6tDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T11:34:28.385410Z","bundle_sha256":"cf237524c43a8233b87e44983c93bb38bec7adc81a71bf4c5d20f331ba2d375c"}}