{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:MGXLSB42SPR3BFGBGJOUCRQJ7E","short_pith_number":"pith:MGXLSB42","schema_version":"1.0","canonical_sha256":"61aeb9079a93e3b094c1325d414609f9259dfa95da8d2377d9258b672c69c763","source":{"kind":"arxiv","id":"2109.02298","version":1},"attestation_state":"computed","paper":{"title":"A scalable tripartite Wigner's friend scenario","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Can Wang, Dong Ding, Feng-Li Yan, Ting Gao, Tong Hou, Ying-Qiu He","submitted_at":"2021-09-06T09:02:23Z","abstract_excerpt":"Wigner's friend thought experiment is intended to reveal the inherent tension between unitary evolution and measurement collapse. On the basis of Wigner's friend experiment, Brukner derives a no-go theorem for observer-independent facts. We construct an extended Wigner's friend scenario including three laboratories, namely, Alice's laboratory, Bob's laboratory and Charlie's laboratory, where Alice, Bob and Charlie are standing outside the laboratories while their friends are placed inside their own laboratories. We consider quantum simulation via Q\\# quantum programming and also realize the pr"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2109.02298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-06T09:02:23Z","cross_cats_sorted":[],"title_canon_sha256":"f535bcd967eeae6d2de973e7fc4cc331391c4332f2d6bc35a867b0aa18a371b8","abstract_canon_sha256":"7ea7880e9fa7bc0947a5464a50ee3b75408d3f3d4da7691c3654b9fb483ed2c5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:23:43.286524Z","signature_b64":"8Q2z/i8tErP1pLcgwVbAfZrr1sm2Vf2iYprBG58NP47p3K7yAoqJjAPWCDgqgQazEj6uf67IqGhp5jeej6I4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61aeb9079a93e3b094c1325d414609f9259dfa95da8d2377d9258b672c69c763","last_reissued_at":"2026-07-05T06:23:43.285997Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:23:43.285997Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A scalable tripartite Wigner's friend scenario","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Can Wang, Dong Ding, Feng-Li Yan, Ting Gao, Tong Hou, Ying-Qiu He","submitted_at":"2021-09-06T09:02:23Z","abstract_excerpt":"Wigner's friend thought experiment is intended to reveal the inherent tension between unitary evolution and measurement collapse. On the basis of Wigner's friend experiment, Brukner derives a no-go theorem for observer-independent facts. We construct an extended Wigner's friend scenario including three laboratories, namely, Alice's laboratory, Bob's laboratory and Charlie's laboratory, where Alice, Bob and Charlie are standing outside the laboratories while their friends are placed inside their own laboratories. We consider quantum simulation via Q\\# quantum programming and also realize the pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.02298","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/2109.02298/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2109.02298","created_at":"2026-07-05T06:23:43.286053+00:00"},{"alias_kind":"arxiv_version","alias_value":"2109.02298v1","created_at":"2026-07-05T06:23:43.286053+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.02298","created_at":"2026-07-05T06:23:43.286053+00:00"},{"alias_kind":"pith_short_12","alias_value":"MGXLSB42SPR3","created_at":"2026-07-05T06:23:43.286053+00:00"},{"alias_kind":"pith_short_16","alias_value":"MGXLSB42SPR3BFGB","created_at":"2026-07-05T06:23:43.286053+00:00"},{"alias_kind":"pith_short_8","alias_value":"MGXLSB42","created_at":"2026-07-05T06:23:43.286053+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.08940","citing_title":"Closing objectivity loophole in Bell tests on a public quantum computer","ref_index":23,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E","json":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E.json","graph_json":"https://pith.science/api/pith-number/MGXLSB42SPR3BFGBGJOUCRQJ7E/graph.json","events_json":"https://pith.science/api/pith-number/MGXLSB42SPR3BFGBGJOUCRQJ7E/events.json","paper":"https://pith.science/paper/MGXLSB42"},"agent_actions":{"view_html":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E","download_json":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E.json","view_paper":"https://pith.science/paper/MGXLSB42","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2109.02298&json=true","fetch_graph":"https://pith.science/api/pith-number/MGXLSB42SPR3BFGBGJOUCRQJ7E/graph.json","fetch_events":"https://pith.science/api/pith-number/MGXLSB42SPR3BFGBGJOUCRQJ7E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E/action/storage_attestation","attest_author":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E/action/author_attestation","sign_citation":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E/action/citation_signature","submit_replication":"https://pith.science/pith/MGXLSB42SPR3BFGBGJOUCRQJ7E/action/replication_record"}},"created_at":"2026-07-05T06:23:43.286053+00:00","updated_at":"2026-07-05T06:23:43.286053+00:00"}