{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:ZTEFE6QDDG5AQEGVHLXQBGRIRG","short_pith_number":"pith:ZTEFE6QD","canonical_record":{"source":{"id":"2205.15588","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-31T08:02:51Z","cross_cats_sorted":["hep-th","physics.comp-ph"],"title_canon_sha256":"a2d094996b6f1ce00227a3ea7792c60a0e2e24b425545aeccdc03e886cdbc4b0","abstract_canon_sha256":"50e2beb081801b2c4a535d5e3e968a1c36d0f92bb04420b94a67f38ecd486945"},"schema_version":"1.0"},"canonical_sha256":"ccc8527a0319ba0810d53aef009a2889a2e943a310715b8657418ee5b90ea631","source":{"kind":"arxiv","id":"2205.15588","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.15588","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"arxiv_version","alias_value":"2205.15588v3","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.15588","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"pith_short_12","alias_value":"ZTEFE6QDDG5A","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"pith_short_16","alias_value":"ZTEFE6QDDG5AQEGV","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"pith_short_8","alias_value":"ZTEFE6QD","created_at":"2026-07-05T05:10:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:ZTEFE6QDDG5AQEGVHLXQBGRIRG","target":"record","payload":{"canonical_record":{"source":{"id":"2205.15588","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-31T08:02:51Z","cross_cats_sorted":["hep-th","physics.comp-ph"],"title_canon_sha256":"a2d094996b6f1ce00227a3ea7792c60a0e2e24b425545aeccdc03e886cdbc4b0","abstract_canon_sha256":"50e2beb081801b2c4a535d5e3e968a1c36d0f92bb04420b94a67f38ecd486945"},"schema_version":"1.0"},"canonical_sha256":"ccc8527a0319ba0810d53aef009a2889a2e943a310715b8657418ee5b90ea631","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:10:00.306704Z","signature_b64":"DXtGpqxGYYDhZCIgvOawRG5QePVS6orSK+VE2E/Codnz9eDAfz1G377c9C8tiN+AvEmS8KF5owKH5piVW3UPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccc8527a0319ba0810d53aef009a2889a2e943a310715b8657418ee5b90ea631","last_reissued_at":"2026-07-05T05:10:00.306219Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:10:00.306219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.15588","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":"2026-07-05T05:10:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JlGKuunrbTybSgOUxHiWTLbxlXKcvpCjDC/SmCNP0vRjXW5vYScR6piHn7Zsv+woEP24NEmM7kmVpmlpthrqAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T01:47:42.127764Z"},"content_sha256":"2d55fe4aa0768c409b0c4bbeb643a0cc5e2318287e411d4b76dbbf8f2d3adf66","schema_version":"1.0","event_id":"sha256:2d55fe4aa0768c409b0c4bbeb643a0cc5e2318287e411d4b76dbbf8f2d3adf66"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:ZTEFE6QDDG5AQEGVHLXQBGRIRG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"QuanEstimation: An open-source toolkit for quantum parameter estimation","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["hep-th","physics.comp-ph"],"primary_cat":"quant-ph","authors_text":"Haidong Yuan, Huai-Ming Yu, Jing Liu, Mao Zhang, Rafa{\\l} Demkowicz-Dobrza\\'nski, Xiaoguang Wang","submitted_at":"2022-05-31T08:02:51Z","abstract_excerpt":"Quantum parameter estimation promises a high-precision measurement in theory, however, how to design the optimal scheme in a specific scenario, especially under a practical condition, is still a serious problem that needs to be solved case by case due to the existence of multiple mathematical bounds and optimization methods. Depending on the scenario considered, different bounds may be more or less suitable, both in terms of computational complexity and the tightness of the bound itself. At the same time, the metrological schemes provided by different optimization methods need to be tested aga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.15588","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/2205.15588/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":"2026-07-05T05:10:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"APF/7ortBnw9kTxrbZo3fznJOeZPhmS0J+5oAcV8o7pL3nuNQa2zU4J/l15tyKZoTViQ3iqrpG5n0wu3PT3uBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T01:47:42.128292Z"},"content_sha256":"8ea5419275265d76c8b04997ec0c091a4786ce05dc01e2797eae51a2aa9a9b6d","schema_version":"1.0","event_id":"sha256:8ea5419275265d76c8b04997ec0c091a4786ce05dc01e2797eae51a2aa9a9b6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZTEFE6QDDG5AQEGVHLXQBGRIRG/bundle.json","state_url":"https://pith.science/pith/ZTEFE6QDDG5AQEGVHLXQBGRIRG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZTEFE6QDDG5AQEGVHLXQBGRIRG/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":"2026-08-21T01:47:42Z","links":{"resolver":"https://pith.science/pith/ZTEFE6QDDG5AQEGVHLXQBGRIRG","bundle":"https://pith.science/pith/ZTEFE6QDDG5AQEGVHLXQBGRIRG/bundle.json","state":"https://pith.science/pith/ZTEFE6QDDG5AQEGVHLXQBGRIRG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZTEFE6QDDG5AQEGVHLXQBGRIRG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:ZTEFE6QDDG5AQEGVHLXQBGRIRG","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":"50e2beb081801b2c4a535d5e3e968a1c36d0f92bb04420b94a67f38ecd486945","cross_cats_sorted":["hep-th","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-31T08:02:51Z","title_canon_sha256":"a2d094996b6f1ce00227a3ea7792c60a0e2e24b425545aeccdc03e886cdbc4b0"},"schema_version":"1.0","source":{"id":"2205.15588","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.15588","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"arxiv_version","alias_value":"2205.15588v3","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.15588","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"pith_short_12","alias_value":"ZTEFE6QDDG5A","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"pith_short_16","alias_value":"ZTEFE6QDDG5AQEGV","created_at":"2026-07-05T05:10:00Z"},{"alias_kind":"pith_short_8","alias_value":"ZTEFE6QD","created_at":"2026-07-05T05:10:00Z"}],"graph_snapshots":[{"event_id":"sha256:8ea5419275265d76c8b04997ec0c091a4786ce05dc01e2797eae51a2aa9a9b6d","target":"graph","created_at":"2026-07-05T05:10:00Z","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/2205.15588/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum parameter estimation promises a high-precision measurement in theory, however, how to design the optimal scheme in a specific scenario, especially under a practical condition, is still a serious problem that needs to be solved case by case due to the existence of multiple mathematical bounds and optimization methods. Depending on the scenario considered, different bounds may be more or less suitable, both in terms of computational complexity and the tightness of the bound itself. At the same time, the metrological schemes provided by different optimization methods need to be tested aga","authors_text":"Haidong Yuan, Huai-Ming Yu, Jing Liu, Mao Zhang, Rafa{\\l} Demkowicz-Dobrza\\'nski, Xiaoguang Wang","cross_cats":["hep-th","physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-31T08:02:51Z","title":"QuanEstimation: An open-source toolkit for quantum parameter estimation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.15588","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":"sha256:2d55fe4aa0768c409b0c4bbeb643a0cc5e2318287e411d4b76dbbf8f2d3adf66","target":"record","created_at":"2026-07-05T05:10:00Z","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":"50e2beb081801b2c4a535d5e3e968a1c36d0f92bb04420b94a67f38ecd486945","cross_cats_sorted":["hep-th","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-31T08:02:51Z","title_canon_sha256":"a2d094996b6f1ce00227a3ea7792c60a0e2e24b425545aeccdc03e886cdbc4b0"},"schema_version":"1.0","source":{"id":"2205.15588","kind":"arxiv","version":3}},"canonical_sha256":"ccc8527a0319ba0810d53aef009a2889a2e943a310715b8657418ee5b90ea631","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccc8527a0319ba0810d53aef009a2889a2e943a310715b8657418ee5b90ea631","first_computed_at":"2026-07-05T05:10:00.306219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:10:00.306219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DXtGpqxGYYDhZCIgvOawRG5QePVS6orSK+VE2E/Codnz9eDAfz1G377c9C8tiN+AvEmS8KF5owKH5piVW3UPDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:10:00.306704Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.15588","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d55fe4aa0768c409b0c4bbeb643a0cc5e2318287e411d4b76dbbf8f2d3adf66","sha256:8ea5419275265d76c8b04997ec0c091a4786ce05dc01e2797eae51a2aa9a9b6d"],"state_sha256":"94c5bc838b48972e21e69b02db03dd709e984f091f6cb2231f92cd54f3677a86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iwvteW7AoS3ouFUu49lJKT6umkw0AEpCTHsGXkJnDR2QWeGJ9ZVhmK0EA01E1tHiq+s+HLG4HjH3hU07TahICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T01:47:42.133401Z","bundle_sha256":"e5752dc6a0923191abd232dea824f38de8d032f3789aa197a9a2ae02e00ff66f"}}