{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:P6VJJKUTSSR74JYIRNLI2IGUUX","short_pith_number":"pith:P6VJJKUT","schema_version":"1.0","canonical_sha256":"7faa94aa9394a3fe27088b568d20d4a5f612082927e94016d48ca8b38919b31e","source":{"kind":"arxiv","id":"1208.0104","version":1},"attestation_state":"computed","paper":{"title":"Hierarchy of measurement-induced Fisher information for composite states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"C. H. Oh, Shunlong Luo, Xiao-Ming Lu","submitted_at":"2012-08-01T04:53:04Z","abstract_excerpt":"Quantum Fisher information, as an intrinsic quantity for quantum states, is a central concept in quantum detection and estimation. When quantum measurements are performed on quantum states, classical probability distributions arise, which in turn lead to classical Fisher information. In this article, we exploit the classical Fisher information induced by quantum measurements, and reveal a rich hierarchical structure of such measurement-induced Fisher information. We establish a general framework for the distribution and transfer of the Fisher information. In particular, we illustrate three ext"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1208.0104","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-01T04:53:04Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"242db5613893e50a164319cdcaebbb0989fa40c73e615226896d3e96b665ac89","abstract_canon_sha256":"4d24db6a919bea357e96ba3a5d854ba34115e25e3ecf68ebb2b7900fa8cea5cf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:30.533913Z","signature_b64":"nP/qqGl0dM7FzqnvrmCMOZpm+ZIIMJtijj1aquhykcTfZQYcpa6Ja1AI+AbmdmiNp5ObHXQJ5BgC58s4dJHRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7faa94aa9394a3fe27088b568d20d4a5f612082927e94016d48ca8b38919b31e","last_reissued_at":"2026-05-18T03:46:30.533044Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:30.533044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Hierarchy of measurement-induced Fisher information for composite states","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"C. H. Oh, Shunlong Luo, Xiao-Ming Lu","submitted_at":"2012-08-01T04:53:04Z","abstract_excerpt":"Quantum Fisher information, as an intrinsic quantity for quantum states, is a central concept in quantum detection and estimation. When quantum measurements are performed on quantum states, classical probability distributions arise, which in turn lead to classical Fisher information. In this article, we exploit the classical Fisher information induced by quantum measurements, and reveal a rich hierarchical structure of such measurement-induced Fisher information. We establish a general framework for the distribution and transfer of the Fisher information. In particular, we illustrate three ext"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0104","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1208.0104","created_at":"2026-05-18T03:46:30.533209+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.0104v1","created_at":"2026-05-18T03:46:30.533209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0104","created_at":"2026-05-18T03:46:30.533209+00:00"},{"alias_kind":"pith_short_12","alias_value":"P6VJJKUTSSR7","created_at":"2026-05-18T12:27:18.751474+00:00"},{"alias_kind":"pith_short_16","alias_value":"P6VJJKUTSSR74JYI","created_at":"2026-05-18T12:27:18.751474+00:00"},{"alias_kind":"pith_short_8","alias_value":"P6VJJKUT","created_at":"2026-05-18T12:27:18.751474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX","json":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX.json","graph_json":"https://pith.science/api/pith-number/P6VJJKUTSSR74JYIRNLI2IGUUX/graph.json","events_json":"https://pith.science/api/pith-number/P6VJJKUTSSR74JYIRNLI2IGUUX/events.json","paper":"https://pith.science/paper/P6VJJKUT"},"agent_actions":{"view_html":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX","download_json":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX.json","view_paper":"https://pith.science/paper/P6VJJKUT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.0104&json=true","fetch_graph":"https://pith.science/api/pith-number/P6VJJKUTSSR74JYIRNLI2IGUUX/graph.json","fetch_events":"https://pith.science/api/pith-number/P6VJJKUTSSR74JYIRNLI2IGUUX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX/action/storage_attestation","attest_author":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX/action/author_attestation","sign_citation":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX/action/citation_signature","submit_replication":"https://pith.science/pith/P6VJJKUTSSR74JYIRNLI2IGUUX/action/replication_record"}},"created_at":"2026-05-18T03:46:30.533209+00:00","updated_at":"2026-05-18T03:46:30.533209+00:00"}