{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ATHOCRR7B3XPWSHM2XSLLSNTM4","short_pith_number":"pith:ATHOCRR7","canonical_record":{"source":{"id":"1908.04093","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T11:22:02Z","cross_cats_sorted":[],"title_canon_sha256":"2e274ebddca40814de0c326e6e14e168593273b76388cfbe136d122a68e5a75c","abstract_canon_sha256":"e1d9de8c0eb1f1c94ac9803634c1bb96fa453aa1aade97440b8f3c60b7b05837"},"schema_version":"1.0"},"canonical_sha256":"04cee1463f0eeefb48ecd5e4b5c9b3673f71c9be015a4112d888693e393f0a50","source":{"kind":"arxiv","id":"1908.04093","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04093","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04093v2","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04093","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"pith_short_12","alias_value":"ATHOCRR7B3XP","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"pith_short_16","alias_value":"ATHOCRR7B3XPWSHM","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"pith_short_8","alias_value":"ATHOCRR7","created_at":"2026-07-05T00:17:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ATHOCRR7B3XPWSHM2XSLLSNTM4","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04093","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T11:22:02Z","cross_cats_sorted":[],"title_canon_sha256":"2e274ebddca40814de0c326e6e14e168593273b76388cfbe136d122a68e5a75c","abstract_canon_sha256":"e1d9de8c0eb1f1c94ac9803634c1bb96fa453aa1aade97440b8f3c60b7b05837"},"schema_version":"1.0"},"canonical_sha256":"04cee1463f0eeefb48ecd5e4b5c9b3673f71c9be015a4112d888693e393f0a50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:17:10.260823Z","signature_b64":"X47m2lQHWnA/ri/oKIEGtrjMGqIXxXAcND1ZK3aHAnKW2ji/SSyADnXuyxoGVesLeJU5ZIHD5Ex+n3WZbHkMCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04cee1463f0eeefb48ecd5e4b5c9b3673f71c9be015a4112d888693e393f0a50","last_reissued_at":"2026-07-05T00:17:10.260380Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:17:10.260380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04093","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:17:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ludsYMvWuLfuPp0jIX2gwtxV/VZVEZ1Q8PN/3YjyHlxEWnkz42tJyNRoFVumyJuzPt2lGRwIIPExHYrEL2OfCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T19:57:53.133473Z"},"content_sha256":"e68fd44536813530023f1be7eddc3a763761dbfe22d01a16da3354a3cbd1d51c","schema_version":"1.0","event_id":"sha256:e68fd44536813530023f1be7eddc3a763761dbfe22d01a16da3354a3cbd1d51c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ATHOCRR7B3XPWSHM2XSLLSNTM4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Certified answers for ordered quantum discrimination problems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Esteban Mart\\'inez-Vargas, Ramon Munoz-Tapia","submitted_at":"2019-08-12T11:22:02Z","abstract_excerpt":"We investigate the quantum state discrimination task for sets of linear independent pure states with an intrinsic ordering. This structured discrimination problems allow for a novel scheme that provides a certified level of error, that is, answers that never deviate from the true value more than a specified distance and hence a control of the desired quality of the results. We obtain an efficient semidefinite program and also find a general lower bound valid for any error distance that only requires the knowledge of optimal minimum error scheme. We apply our results to the quantum change point"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04093","kind":"arxiv","version":2},"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/1908.04093/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":"2026-07-05T00:17:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"THcuPx0TJysPMHMs1WYD9Ck0WgRE4H4YVviziolAqI4MtypiFV3vvYg6r7VZ2llKpuLOtCg+dw/h/eP9m4W5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T19:57:53.133999Z"},"content_sha256":"9a7847f67a8a3f06b040daf184f9888c632897f5252d8c7c14376ff11591af02","schema_version":"1.0","event_id":"sha256:9a7847f67a8a3f06b040daf184f9888c632897f5252d8c7c14376ff11591af02"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ATHOCRR7B3XPWSHM2XSLLSNTM4/bundle.json","state_url":"https://pith.science/pith/ATHOCRR7B3XPWSHM2XSLLSNTM4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ATHOCRR7B3XPWSHM2XSLLSNTM4/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":"2026-08-16T19:57:53Z","links":{"resolver":"https://pith.science/pith/ATHOCRR7B3XPWSHM2XSLLSNTM4","bundle":"https://pith.science/pith/ATHOCRR7B3XPWSHM2XSLLSNTM4/bundle.json","state":"https://pith.science/pith/ATHOCRR7B3XPWSHM2XSLLSNTM4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ATHOCRR7B3XPWSHM2XSLLSNTM4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ATHOCRR7B3XPWSHM2XSLLSNTM4","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":"e1d9de8c0eb1f1c94ac9803634c1bb96fa453aa1aade97440b8f3c60b7b05837","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T11:22:02Z","title_canon_sha256":"2e274ebddca40814de0c326e6e14e168593273b76388cfbe136d122a68e5a75c"},"schema_version":"1.0","source":{"id":"1908.04093","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04093","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04093v2","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04093","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"pith_short_12","alias_value":"ATHOCRR7B3XP","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"pith_short_16","alias_value":"ATHOCRR7B3XPWSHM","created_at":"2026-07-05T00:17:10Z"},{"alias_kind":"pith_short_8","alias_value":"ATHOCRR7","created_at":"2026-07-05T00:17:10Z"}],"graph_snapshots":[{"event_id":"sha256:9a7847f67a8a3f06b040daf184f9888c632897f5252d8c7c14376ff11591af02","target":"graph","created_at":"2026-07-05T00:17:10Z","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/1908.04093/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the quantum state discrimination task for sets of linear independent pure states with an intrinsic ordering. This structured discrimination problems allow for a novel scheme that provides a certified level of error, that is, answers that never deviate from the true value more than a specified distance and hence a control of the desired quality of the results. We obtain an efficient semidefinite program and also find a general lower bound valid for any error distance that only requires the knowledge of optimal minimum error scheme. We apply our results to the quantum change point","authors_text":"Esteban Mart\\'inez-Vargas, Ramon Munoz-Tapia","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T11:22:02Z","title":"Certified answers for ordered quantum discrimination problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04093","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:e68fd44536813530023f1be7eddc3a763761dbfe22d01a16da3354a3cbd1d51c","target":"record","created_at":"2026-07-05T00:17:10Z","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":"e1d9de8c0eb1f1c94ac9803634c1bb96fa453aa1aade97440b8f3c60b7b05837","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T11:22:02Z","title_canon_sha256":"2e274ebddca40814de0c326e6e14e168593273b76388cfbe136d122a68e5a75c"},"schema_version":"1.0","source":{"id":"1908.04093","kind":"arxiv","version":2}},"canonical_sha256":"04cee1463f0eeefb48ecd5e4b5c9b3673f71c9be015a4112d888693e393f0a50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04cee1463f0eeefb48ecd5e4b5c9b3673f71c9be015a4112d888693e393f0a50","first_computed_at":"2026-07-05T00:17:10.260380Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:17:10.260380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X47m2lQHWnA/ri/oKIEGtrjMGqIXxXAcND1ZK3aHAnKW2ji/SSyADnXuyxoGVesLeJU5ZIHD5Ex+n3WZbHkMCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:17:10.260823Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04093","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e68fd44536813530023f1be7eddc3a763761dbfe22d01a16da3354a3cbd1d51c","sha256:9a7847f67a8a3f06b040daf184f9888c632897f5252d8c7c14376ff11591af02"],"state_sha256":"3769bf113596261511d1dc4504a6661292fbf1e47544d8beff29eb16e8a89654"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RTms+S2g2U40eqrH8CZlsE83pLTp1JX0odf60l5imeIv2MkpkpFdiPDfIchT5t86HXA8OXkDqGg5n22MpbZKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T19:57:53.138307Z","bundle_sha256":"6262c61423da34397e42300b1b71f8e94ad3819a542fde8da14d76de70817af0"}}