{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YOOSUI5FVZMHVXEW5W2CDRRYCV","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":"dc2d939fc1c6f9448da514d237743fa69cbe379ef7c49dd410e6d99012845858","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-26T00:04:56Z","title_canon_sha256":"a007928f98fb4bc46990db518728962bb5f98333d108f3d151eb0e5632b374d8"},"schema_version":"1.0","source":{"id":"1501.06222","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06222","created_at":"2026-05-18T00:26:16Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06222v1","created_at":"2026-05-18T00:26:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06222","created_at":"2026-05-18T00:26:16Z"},{"alias_kind":"pith_short_12","alias_value":"YOOSUI5FVZMH","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YOOSUI5FVZMHVXEW","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YOOSUI5F","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:6bdfa800d118b1c43dcf2a4bf461df5ec7d6d777be873198984c8bc211614a1f","target":"graph","created_at":"2026-05-18T00:26:16Z","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 discrimination of multipartite quantum states by local operations and classical communication. We derive that any optimal discrimination of quantum states spanning a two-dimensional Hilbert space in which each party's space is finite dimensional is possible by local operations and one-way classical communication, regardless of the optimality criterion used and how entangled the states are.","authors_text":"Kenji Nakahira, Tsuyoshi Sasaki Usuda","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-26T00:04:56Z","title":"Optimal discrimination of quantum states on a two-dimensional Hilbert space by local operations and classical communication"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06222","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":"sha256:3d4bca8f0930236e5243caac64e29ac79bcc2213dd451022274b2a820e366dbd","target":"record","created_at":"2026-05-18T00:26:16Z","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":"dc2d939fc1c6f9448da514d237743fa69cbe379ef7c49dd410e6d99012845858","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-26T00:04:56Z","title_canon_sha256":"a007928f98fb4bc46990db518728962bb5f98333d108f3d151eb0e5632b374d8"},"schema_version":"1.0","source":{"id":"1501.06222","kind":"arxiv","version":1}},"canonical_sha256":"c39d2a23a5ae587adc96edb421c638154ba352614a061c757ba059eb870828e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c39d2a23a5ae587adc96edb421c638154ba352614a061c757ba059eb870828e7","first_computed_at":"2026-05-18T00:26:16.885965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:16.885965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6OTOI1hdDC4iaJya72mIVY/7AmGcjNs1RYMuDBmefRaF1zQnBe2zciwr9UzOGhNa2GviQC4dvd/KHG2iz8ACAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:16.886468Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.06222","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d4bca8f0930236e5243caac64e29ac79bcc2213dd451022274b2a820e366dbd","sha256:6bdfa800d118b1c43dcf2a4bf461df5ec7d6d777be873198984c8bc211614a1f"],"state_sha256":"2a405aa5fad51a96c6cf9828ac70c35c7956b94b4cf85ff31eb4179429b1d253"}