{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KUPQUHBU2YAHO6CZESNH27SJDA","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":"356583b2e11cda8bf5f7e5a976199c635c1da347e3143c4875f871fc9903dbf5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-24T15:15:03Z","title_canon_sha256":"e70f303ef41971809392b76a225211460df80c2aee315dd532e2f8a06fa63320"},"schema_version":"1.0","source":{"id":"1010.4969","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.4969","created_at":"2026-05-18T02:04:59Z"},{"alias_kind":"arxiv_version","alias_value":"1010.4969v1","created_at":"2026-05-18T02:04:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.4969","created_at":"2026-05-18T02:04:59Z"},{"alias_kind":"pith_short_12","alias_value":"KUPQUHBU2YAH","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KUPQUHBU2YAHO6CZ","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KUPQUHBU","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:bdab1bc1561fbf00d61161aa14010eb11d356842c8bdd6f7408ccc6b61076aff","target":"graph","created_at":"2026-05-18T02:04:59Z","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":"We study the entanglement of formation for arbitrary dimensional bipartite mixed unknown states. Experimentally measurable lower and upper bounds for entanglement of formation are derived.","authors_text":"Ming Li, Shao-Ming Fei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-24T15:15:03Z","title":"Measurable bounds for Entanglement of Formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.4969","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:f949ab74bea29c45cebfa27d7cebb28f5ee1d5e4db78f5b4606cf00d54b3b33d","target":"record","created_at":"2026-05-18T02:04:59Z","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":"356583b2e11cda8bf5f7e5a976199c635c1da347e3143c4875f871fc9903dbf5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-10-24T15:15:03Z","title_canon_sha256":"e70f303ef41971809392b76a225211460df80c2aee315dd532e2f8a06fa63320"},"schema_version":"1.0","source":{"id":"1010.4969","kind":"arxiv","version":1}},"canonical_sha256":"551f0a1c34d600777859249a7d7e491824ea29341ee6b10be9d2a3a43c5ddf84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"551f0a1c34d600777859249a7d7e491824ea29341ee6b10be9d2a3a43c5ddf84","first_computed_at":"2026-05-18T02:04:59.140935Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:59.140935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wztGzM1MHxWOtgFt8YEPviDgJt1Fp57EtQTFgb2sr9SYzcyPnoUT4ZkUjBo7e+z5P1lhREVDXPNRyHyJtMysBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:59.141668Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.4969","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f949ab74bea29c45cebfa27d7cebb28f5ee1d5e4db78f5b4606cf00d54b3b33d","sha256:bdab1bc1561fbf00d61161aa14010eb11d356842c8bdd6f7408ccc6b61076aff"],"state_sha256":"ccc84552d3f1adc692737ebe71b7424b4c9d8dc350bf867743235c121420282b"}