{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GZSENDPQLRZ74CRBTJZP36PEXV","short_pith_number":"pith:GZSENDPQ","canonical_record":{"source":{"id":"1609.01863","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-07T07:50:33Z","cross_cats_sorted":[],"title_canon_sha256":"27973031df3585372ea756178436a54a873d4182d1c6ecdda3871ad408a1328b","abstract_canon_sha256":"cba11dd3af5dc00535aee673c678639926306ca7a32daccdeaa9cab859bf6596"},"schema_version":"1.0"},"canonical_sha256":"3664468df05c73fe0a219a72fdf9e4bd50843bd16ef44be4b13a444906d7f4e5","source":{"kind":"arxiv","id":"1609.01863","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.01863","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"1609.01863v3","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.01863","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"GZSENDPQLRZ7","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GZSENDPQLRZ74CRB","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GZSENDPQ","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GZSENDPQLRZ74CRBTJZP36PEXV","target":"record","payload":{"canonical_record":{"source":{"id":"1609.01863","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-07T07:50:33Z","cross_cats_sorted":[],"title_canon_sha256":"27973031df3585372ea756178436a54a873d4182d1c6ecdda3871ad408a1328b","abstract_canon_sha256":"cba11dd3af5dc00535aee673c678639926306ca7a32daccdeaa9cab859bf6596"},"schema_version":"1.0"},"canonical_sha256":"3664468df05c73fe0a219a72fdf9e4bd50843bd16ef44be4b13a444906d7f4e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:23.712955Z","signature_b64":"dk/7zfAFGfdMTxTMvCYi5MmsXR71C5W5Jj/j+iooJkA7dchtQbv699ICimRT5dMJPRal9Til1S2GJIek5BG/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3664468df05c73fe0a219a72fdf9e4bd50843bd16ef44be4b13a444906d7f4e5","last_reissued_at":"2026-05-18T00:01:23.712576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:23.712576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.01863","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:01:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jn2QqezEU3t3VwNiKzpfsMRUMMDxR59g9YO2x/VkhyLIg9QoOLCdG4x4E1eUiMl2C1MUDDEnzseTggKe4fCeCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T11:31:38.686575Z"},"content_sha256":"b21e12032cf96bc1c98e95fe82b7fb03e455258ea48577e62639e63c0ebadab6","schema_version":"1.0","event_id":"sha256:b21e12032cf96bc1c98e95fe82b7fb03e455258ea48577e62639e63c0ebadab6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GZSENDPQLRZ74CRBTJZP36PEXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of Nonlocality Sharing among Three Observers with One Entangled Pair via Optimal Weak Measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chuan-Feng Li, Guang-Can Guo, Meng-Jun Hu, Xiao-Min Hu, Yong-Sheng Zhang, Zhi-Yuan Zhou","submitted_at":"2016-09-07T07:50:33Z","abstract_excerpt":"Bell nonlocality plays a fundamental role in quantum theory. Numerous tests of the Bell inequality have been reported since the ground-breaking discovery of the Bell theorem.Up to now, however, most discussions of the Bell scenario have focused on a single pair of entangled particles distributed to only two separated observers. Recently, it has been shown surprisingly that multiple observers can share the nonlocality present in a single particle from an entangled pair using the method of weak measurements [Phys. Rev. Lett. {\\bf 114}, 250401 (2015)]. Here we report an observation of double CHSH"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.01863","kind":"arxiv","version":3},"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":"2026-05-18T00:01:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2W6E83+pKk5H1NjJpZKpfD69FrqCCH8YjhvWfWcEu5q62JkZejDiy2NMXSKCTik2ZWGlLEyjJL9xNg6DULWODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T11:31:38.686920Z"},"content_sha256":"d04ce97946cdb9d499c9ba05c638d4e07def67115271946d63aa9b839c03485e","schema_version":"1.0","event_id":"sha256:d04ce97946cdb9d499c9ba05c638d4e07def67115271946d63aa9b839c03485e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GZSENDPQLRZ74CRBTJZP36PEXV/bundle.json","state_url":"https://pith.science/pith/GZSENDPQLRZ74CRBTJZP36PEXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GZSENDPQLRZ74CRBTJZP36PEXV/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":"2026-06-28T11:31:38Z","links":{"resolver":"https://pith.science/pith/GZSENDPQLRZ74CRBTJZP36PEXV","bundle":"https://pith.science/pith/GZSENDPQLRZ74CRBTJZP36PEXV/bundle.json","state":"https://pith.science/pith/GZSENDPQLRZ74CRBTJZP36PEXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GZSENDPQLRZ74CRBTJZP36PEXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GZSENDPQLRZ74CRBTJZP36PEXV","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":"cba11dd3af5dc00535aee673c678639926306ca7a32daccdeaa9cab859bf6596","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-07T07:50:33Z","title_canon_sha256":"27973031df3585372ea756178436a54a873d4182d1c6ecdda3871ad408a1328b"},"schema_version":"1.0","source":{"id":"1609.01863","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.01863","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"1609.01863v3","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.01863","created_at":"2026-05-18T00:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"GZSENDPQLRZ7","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GZSENDPQLRZ74CRB","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GZSENDPQ","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:d04ce97946cdb9d499c9ba05c638d4e07def67115271946d63aa9b839c03485e","target":"graph","created_at":"2026-05-18T00:01:23Z","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":"Bell nonlocality plays a fundamental role in quantum theory. Numerous tests of the Bell inequality have been reported since the ground-breaking discovery of the Bell theorem.Up to now, however, most discussions of the Bell scenario have focused on a single pair of entangled particles distributed to only two separated observers. Recently, it has been shown surprisingly that multiple observers can share the nonlocality present in a single particle from an entangled pair using the method of weak measurements [Phys. Rev. Lett. {\\bf 114}, 250401 (2015)]. Here we report an observation of double CHSH","authors_text":"Chuan-Feng Li, Guang-Can Guo, Meng-Jun Hu, Xiao-Min Hu, Yong-Sheng Zhang, Zhi-Yuan Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-07T07:50:33Z","title":"Observation of Nonlocality Sharing among Three Observers with One Entangled Pair via Optimal Weak Measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.01863","kind":"arxiv","version":3},"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:b21e12032cf96bc1c98e95fe82b7fb03e455258ea48577e62639e63c0ebadab6","target":"record","created_at":"2026-05-18T00:01:23Z","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":"cba11dd3af5dc00535aee673c678639926306ca7a32daccdeaa9cab859bf6596","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-07T07:50:33Z","title_canon_sha256":"27973031df3585372ea756178436a54a873d4182d1c6ecdda3871ad408a1328b"},"schema_version":"1.0","source":{"id":"1609.01863","kind":"arxiv","version":3}},"canonical_sha256":"3664468df05c73fe0a219a72fdf9e4bd50843bd16ef44be4b13a444906d7f4e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3664468df05c73fe0a219a72fdf9e4bd50843bd16ef44be4b13a444906d7f4e5","first_computed_at":"2026-05-18T00:01:23.712576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:23.712576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dk/7zfAFGfdMTxTMvCYi5MmsXR71C5W5Jj/j+iooJkA7dchtQbv699ICimRT5dMJPRal9Til1S2GJIek5BG/Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:23.712955Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.01863","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b21e12032cf96bc1c98e95fe82b7fb03e455258ea48577e62639e63c0ebadab6","sha256:d04ce97946cdb9d499c9ba05c638d4e07def67115271946d63aa9b839c03485e"],"state_sha256":"79ccc0bb8badd3c5ff6387c34b0b95d97e39b97b6f79f5f3428fcf60504fedce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jEa9F6rgDYtSzpRGdTBj4oLFwG5gTQ6oEMhw2LOkFvft49IKwh+fHrQe7wqYqdW8Ak4uRvCtzLThqg+FMAHdDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T11:31:38.689608Z","bundle_sha256":"b99100bab7fc0cd1bb0da7d8d69d417771d610e978a763082966803f257ccc83"}}