{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:AFBW26ELV6USBBJNNBWU3T3RBN","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":"f3b9dee225294aec79a53c3f0f63f526b51a263d7f780295f4cffdbf32c4368c","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1999-12-24T19:25:05Z","title_canon_sha256":"a26ba48e6cd0548699d3fdf4ef7c22684ec987f64cb131a8305b5a7a9eb4c883"},"schema_version":"1.0","source":{"id":"quant-ph/9912107","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/9912107","created_at":"2026-05-18T01:05:00Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/9912107v2","created_at":"2026-05-18T01:05:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/9912107","created_at":"2026-05-18T01:05:00Z"},{"alias_kind":"pith_short_12","alias_value":"AFBW26ELV6US","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"AFBW26ELV6USBBJN","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"AFBW26EL","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:be1cd6459e3c3056c545a5275e6a95d5a69f064cc0f9e88f1cf42bdd3035f8d2","target":"graph","created_at":"2026-05-18T01:05:00Z","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"},"paper":{"abstract_excerpt":"We introduce and discuss the problem of quantum feedback control in the context of established formulations of classical control theory, examining conceptual analogies and essential differences. We describe the application of state-observer based control laws, familiar in classical control theory, to quantum systems and apply our methods to the particular case of switching the state of a particle in a double-well potential.","authors_text":"Andrew C. Doherty, Hideo Mabuchi, Kurt Jacobs, Salman Habib, Sze M. Tan","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"1999-12-24T19:25:05Z","title":"Quantum feedback control and classical control theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9912107","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":"sha256:428ce4fbd9d8192592e400645bbb3e72b9c76b94892a0cb0bac6b539fe6a985e","target":"record","created_at":"2026-05-18T01:05:00Z","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":"f3b9dee225294aec79a53c3f0f63f526b51a263d7f780295f4cffdbf32c4368c","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1999-12-24T19:25:05Z","title_canon_sha256":"a26ba48e6cd0548699d3fdf4ef7c22684ec987f64cb131a8305b5a7a9eb4c883"},"schema_version":"1.0","source":{"id":"quant-ph/9912107","kind":"arxiv","version":2}},"canonical_sha256":"01436d788bafa920852d686d4dcf710b7c08db1d7b706609c2eda1219ad13058","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"01436d788bafa920852d686d4dcf710b7c08db1d7b706609c2eda1219ad13058","first_computed_at":"2026-05-18T01:05:00.213551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:00.213551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UydFi2l2dqgBHAI3aojy0tPf7DfUltqpsPlQ7Eguqdr3J2gH63wLtpiVlM2jTICQf3zyBqxTfq03zVFYtg/5BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:00.214101Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/9912107","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:428ce4fbd9d8192592e400645bbb3e72b9c76b94892a0cb0bac6b539fe6a985e","sha256:be1cd6459e3c3056c545a5275e6a95d5a69f064cc0f9e88f1cf42bdd3035f8d2"],"state_sha256":"01e6b2b03fbcd9912143f423de0872717f333c674d1c6eb1d421e76c1b796482"}