{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:SOYP7Y7OKSOGODN4RMCCAHPXEH","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":"122852b46bf659d98b01f9d8152d9bc2282c07db9238dcc23b12b32af8994faf","cross_cats_sorted":["hep-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-27T14:36:13Z","title_canon_sha256":"69dc6bf536102a56aed136c985669a4fd4961a2e4bbc10023e2d36a6aa9ceb1c"},"schema_version":"1.0","source":{"id":"2307.14895","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.14895","created_at":"2026-07-05T07:51:30Z"},{"alias_kind":"arxiv_version","alias_value":"2307.14895v2","created_at":"2026-07-05T07:51:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.14895","created_at":"2026-07-05T07:51:30Z"},{"alias_kind":"pith_short_12","alias_value":"SOYP7Y7OKSOG","created_at":"2026-07-05T07:51:30Z"},{"alias_kind":"pith_short_16","alias_value":"SOYP7Y7OKSOGODN4","created_at":"2026-07-05T07:51:30Z"},{"alias_kind":"pith_short_8","alias_value":"SOYP7Y7O","created_at":"2026-07-05T07:51:30Z"}],"graph_snapshots":[{"event_id":"sha256:b24ac5c8dd7b1dd0b4074dcf21a9aeaab3a724921f1e043eb7d1bd0d93ea959d","target":"graph","created_at":"2026-07-05T07:51:30Z","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/2307.14895/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that testing Bell inequalities in $W^\\pm$ pair systems by measuring their angular correlation suffers from the ambiguity in kinetical reconstruction of the di-lepton decay mode. We further propose a new set of Bell observables based on the measurement of the linear polarization of the $W$ bosons, providing a realistic observable to test Bell inequalities in $W^\\pm$ pair systems for the first time.","authors_text":"Hao Zhang, Kun Cheng, Qi Bi, Qing-Hong Cao","cross_cats":["hep-ex","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-27T14:36:13Z","title":"New observables for testing Bell inequalities in $W$ boson pair production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.14895","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":"sha256:002156e5f7e94dd1217c3b45db6a26cebe72f6545a86a8c1f0a5c35fcc608258","target":"record","created_at":"2026-07-05T07:51:30Z","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":"122852b46bf659d98b01f9d8152d9bc2282c07db9238dcc23b12b32af8994faf","cross_cats_sorted":["hep-ex","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-07-27T14:36:13Z","title_canon_sha256":"69dc6bf536102a56aed136c985669a4fd4961a2e4bbc10023e2d36a6aa9ceb1c"},"schema_version":"1.0","source":{"id":"2307.14895","kind":"arxiv","version":2}},"canonical_sha256":"93b0ffe3ee549c670dbc8b04201df721d307f05ba3f858a1ea33acf50ea0be38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93b0ffe3ee549c670dbc8b04201df721d307f05ba3f858a1ea33acf50ea0be38","first_computed_at":"2026-07-05T07:51:30.897083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:51:30.897083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G9KhqjVqawiY4NY2JghRxcH2qBvLb9HqkWkI0oAuFVXTskz35KYbrl+NsOjhu3xmzZ5/XAmqKLr/VadnoPlQAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:51:30.897589Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.14895","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:002156e5f7e94dd1217c3b45db6a26cebe72f6545a86a8c1f0a5c35fcc608258","sha256:b24ac5c8dd7b1dd0b4074dcf21a9aeaab3a724921f1e043eb7d1bd0d93ea959d"],"state_sha256":"2ab9727df0d652ae805f6e7189fce25dd4f04644d466a90869d1b7f2d197edbd"}