{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:HNOAVVWDBJTZSLUPPDXD77O7DX","short_pith_number":"pith:HNOAVVWD","canonical_record":{"source":{"id":"quant-ph/0512142","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-12-18T04:17:48Z","cross_cats_sorted":[],"title_canon_sha256":"fc6f0d6f4ca4854e43135d087240b25445c35464803a9de90ec8fdb44b90c023","abstract_canon_sha256":"8d9ebf60b57a16b340447d3440ae7eb418bf8192c4e372778ebd849e403eaea3"},"schema_version":"1.0"},"canonical_sha256":"3b5c0ad6c30a67992e8f78ee3ffddf1dd48c36fd138ca1516045d1a9ed185e4f","source":{"kind":"arxiv","id":"quant-ph/0512142","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0512142","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0512142v3","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0512142","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"pith_short_12","alias_value":"HNOAVVWDBJTZ","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"pith_short_16","alias_value":"HNOAVVWDBJTZSLUP","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"pith_short_8","alias_value":"HNOAVVWD","created_at":"2026-07-04T16:58:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:HNOAVVWDBJTZSLUPPDXD77O7DX","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0512142","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-12-18T04:17:48Z","cross_cats_sorted":[],"title_canon_sha256":"fc6f0d6f4ca4854e43135d087240b25445c35464803a9de90ec8fdb44b90c023","abstract_canon_sha256":"8d9ebf60b57a16b340447d3440ae7eb418bf8192c4e372778ebd849e403eaea3"},"schema_version":"1.0"},"canonical_sha256":"3b5c0ad6c30a67992e8f78ee3ffddf1dd48c36fd138ca1516045d1a9ed185e4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:58:14.699819Z","signature_b64":"dv9W3aNM0UxNw+1YPegzqowqCggpCZ9lAG1prEnnsOPMU7eaXBnJ4WBFvSG59ER8Ks4p2f1sqhji7lKypjlwCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b5c0ad6c30a67992e8f78ee3ffddf1dd48c36fd138ca1516045d1a9ed185e4f","last_reissued_at":"2026-07-04T16:58:14.699473Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:58:14.699473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0512142","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":"2026-07-04T16:58:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TYc4U+2VVp5U+M99i3hvVnbiHRmlrFEvNmTFsWU5k3EXgUE/xu1wgBA93H7DSf+cSkEiMJ3JW1FqXtYTtnzwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:57:19.806395Z"},"content_sha256":"30220a5dfc2f734fe94cfce88e0788cbb447fb458c2d41ff62ec81e2e068886d","schema_version":"1.0","event_id":"sha256:30220a5dfc2f734fe94cfce88e0788cbb447fb458c2d41ff62ec81e2e068886d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:HNOAVVWDBJTZSLUPPDXD77O7DX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unambiguous discrimination among quantum operations","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Guoming Wang, Mingsheng Ying","submitted_at":"2005-12-18T04:17:48Z","abstract_excerpt":"We address the problem of unambiguous discrimination among a given set of quantum operations. The necessary and sufficient condition for them to be unambiguously distinguishable is derived in the cases of single use and multiple uses respectively. For the latter case we explicitly construct the input states and corresponding measurements that accomplish the task. It is found that the introduction of entanglement can improve the discrimination."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0512142","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/0512142/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:58:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eucZ0Dz45h2gnEV3JSoqACJt/PhmT+SWA+SbbOio1Im0tvJM0Vv37p+EyrhGgX6IONqXmoEldmRG/0j4GqF1Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:57:19.807565Z"},"content_sha256":"3734db0684535d6c11294673baa288742c39d78be2b9cab896ef050e79010d82","schema_version":"1.0","event_id":"sha256:3734db0684535d6c11294673baa288742c39d78be2b9cab896ef050e79010d82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HNOAVVWDBJTZSLUPPDXD77O7DX/bundle.json","state_url":"https://pith.science/pith/HNOAVVWDBJTZSLUPPDXD77O7DX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HNOAVVWDBJTZSLUPPDXD77O7DX/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":"2026-08-04T13:57:19Z","links":{"resolver":"https://pith.science/pith/HNOAVVWDBJTZSLUPPDXD77O7DX","bundle":"https://pith.science/pith/HNOAVVWDBJTZSLUPPDXD77O7DX/bundle.json","state":"https://pith.science/pith/HNOAVVWDBJTZSLUPPDXD77O7DX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HNOAVVWDBJTZSLUPPDXD77O7DX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:HNOAVVWDBJTZSLUPPDXD77O7DX","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":"8d9ebf60b57a16b340447d3440ae7eb418bf8192c4e372778ebd849e403eaea3","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-12-18T04:17:48Z","title_canon_sha256":"fc6f0d6f4ca4854e43135d087240b25445c35464803a9de90ec8fdb44b90c023"},"schema_version":"1.0","source":{"id":"quant-ph/0512142","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0512142","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0512142v3","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0512142","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"pith_short_12","alias_value":"HNOAVVWDBJTZ","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"pith_short_16","alias_value":"HNOAVVWDBJTZSLUP","created_at":"2026-07-04T16:58:14Z"},{"alias_kind":"pith_short_8","alias_value":"HNOAVVWD","created_at":"2026-07-04T16:58:14Z"}],"graph_snapshots":[{"event_id":"sha256:3734db0684535d6c11294673baa288742c39d78be2b9cab896ef050e79010d82","target":"graph","created_at":"2026-07-04T16:58:14Z","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/quant-ph/0512142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We address the problem of unambiguous discrimination among a given set of quantum operations. The necessary and sufficient condition for them to be unambiguously distinguishable is derived in the cases of single use and multiple uses respectively. For the latter case we explicitly construct the input states and corresponding measurements that accomplish the task. It is found that the introduction of entanglement can improve the discrimination.","authors_text":"Guoming Wang, Mingsheng Ying","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2005-12-18T04:17:48Z","title":"Unambiguous discrimination among quantum operations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0512142","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":"sha256:30220a5dfc2f734fe94cfce88e0788cbb447fb458c2d41ff62ec81e2e068886d","target":"record","created_at":"2026-07-04T16:58:14Z","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":"8d9ebf60b57a16b340447d3440ae7eb418bf8192c4e372778ebd849e403eaea3","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-12-18T04:17:48Z","title_canon_sha256":"fc6f0d6f4ca4854e43135d087240b25445c35464803a9de90ec8fdb44b90c023"},"schema_version":"1.0","source":{"id":"quant-ph/0512142","kind":"arxiv","version":3}},"canonical_sha256":"3b5c0ad6c30a67992e8f78ee3ffddf1dd48c36fd138ca1516045d1a9ed185e4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b5c0ad6c30a67992e8f78ee3ffddf1dd48c36fd138ca1516045d1a9ed185e4f","first_computed_at":"2026-07-04T16:58:14.699473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:58:14.699473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dv9W3aNM0UxNw+1YPegzqowqCggpCZ9lAG1prEnnsOPMU7eaXBnJ4WBFvSG59ER8Ks4p2f1sqhji7lKypjlwCg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:58:14.699819Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0512142","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30220a5dfc2f734fe94cfce88e0788cbb447fb458c2d41ff62ec81e2e068886d","sha256:3734db0684535d6c11294673baa288742c39d78be2b9cab896ef050e79010d82"],"state_sha256":"43da9e3cb457a3c6ed4232025862c2d58f9361806dc8abbaa412ac5f7d32dad2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3NOuENoNMnedNEDA0GjsDDTNTzuueVhXuAWbjwRa2EiqTINiCn/WiejISkk3rc24wwQkwA6jJ/HHymIziam/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T13:57:19.838506Z","bundle_sha256":"122ce0abbe25510e71620631ff2f0dd61ed8df395dfdb9525c7156cfe259ac77"}}