{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ZLBVF6TN2X2FBLMJRQNCPDMUV3","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":"b447e8d7ad253c1915ccafadcac505052228ccf76689115bc91f3d7dc32742f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-08-06T19:09:38Z","title_canon_sha256":"0c987eb938d53d901534f7a55d920829a5be22d3e14367bab4069059577b43df"},"schema_version":"1.0","source":{"id":"1308.1378","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.1378","created_at":"2026-05-18T03:07:42Z"},{"alias_kind":"arxiv_version","alias_value":"1308.1378v2","created_at":"2026-05-18T03:07:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.1378","created_at":"2026-05-18T03:07:42Z"},{"alias_kind":"pith_short_12","alias_value":"ZLBVF6TN2X2F","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZLBVF6TN2X2FBLMJ","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZLBVF6TN","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:80e87ad4f36b32d17b2cc1249795953e6e8adeaf7588398fe431acbcd46bd47e","target":"graph","created_at":"2026-05-18T03:07:42Z","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":"The problem of optimally discriminating between two completely unknown qubit states is generalized by allowing an error margin. It is visualized as a device---the programmable discriminator---with one data and two program ports, each fed with a number of identically prepared qubits---the data and the programs. The device aims at correctly identifying the data state with one of the two program states. This scheme has the unambiguous and the minimum-error schemes as extremal cases, when the error margin is set to zero or it is sufficiently large, respectively. Analytical results are given in the","authors_text":"E. Bagan, G. Sent\\'is, J. Calsamiglia, R. Mu\\~noz-Tapia","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-08-06T19:09:38Z","title":"Programmable discrimination with an error margin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.1378","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":"sha256:0ed07fa5744093546f09fad2eae7edf66017094903beafb9904e8d51e1bd25db","target":"record","created_at":"2026-05-18T03:07:42Z","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":"b447e8d7ad253c1915ccafadcac505052228ccf76689115bc91f3d7dc32742f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-08-06T19:09:38Z","title_canon_sha256":"0c987eb938d53d901534f7a55d920829a5be22d3e14367bab4069059577b43df"},"schema_version":"1.0","source":{"id":"1308.1378","kind":"arxiv","version":2}},"canonical_sha256":"cac352fa6dd5f450ad898c1a278d94aecb32d8038bcfebf056866da47086aa69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cac352fa6dd5f450ad898c1a278d94aecb32d8038bcfebf056866da47086aa69","first_computed_at":"2026-05-18T03:07:42.209050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:42.209050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oZCqLycNDb2OoBGmAeG0YYC+8yFWboYJLLRvwYCbS5UDL1NQwpvY1V/dTUS8necSWZsmIYmk2Xmo0DYIE2xgBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:42.209715Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.1378","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ed07fa5744093546f09fad2eae7edf66017094903beafb9904e8d51e1bd25db","sha256:80e87ad4f36b32d17b2cc1249795953e6e8adeaf7588398fe431acbcd46bd47e"],"state_sha256":"c2ea12ad4c453f919dfd0cb1eefe0fbafbbdb0f068209b02952a794859517b6f"}