{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HFDBQHX35VINCJEWWKYZS2FLKR","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":"dc7f6357654ce46b6580b24551e4efd5277c37a63e73abf063ff761b54f4f762","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-07T19:38:14Z","title_canon_sha256":"6c68170d9d44afc0e933bd0618aa3b3336878685972fff13ae09fccd7f06eeba"},"schema_version":"1.0","source":{"id":"1303.1792","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1792","created_at":"2026-05-18T01:28:15Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1792v2","created_at":"2026-05-18T01:28:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1792","created_at":"2026-05-18T01:28:15Z"},{"alias_kind":"pith_short_12","alias_value":"HFDBQHX35VIN","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HFDBQHX35VINCJEW","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HFDBQHX3","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:6612892d2248e8b91c5b6e78b49f8449d842a2faaec5bcb8246390f3bc6ec307","target":"graph","created_at":"2026-05-18T01:28:15Z","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 report an experimental realization of an adaptive quantum state tomography protocol. Our method takes advantage of a Bayesian approach to statistical inference and is naturally tailored for adaptive strategies. For pure states we observe close to 1/N scaling of infidelity with overall number of registered events, while best non-adaptive protocols allow for $1/\\sqrt{N}$ scaling only. Experiments are performed for polarization qubits, but the approach is readily adapted to any dimension.","authors_text":"Gleb Struchalin, Igor Radchenko, Konstantin Kravtsov, Neil Houlsby, Sergey Kulik, Stanislav Straupe","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-07T19:38:14Z","title":"Experimental Adaptive Bayesian Tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1792","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":"sha256:11141390e65aa76d7256bc38bda4aed6c3842a21f591707e8645ba2b97942247","target":"record","created_at":"2026-05-18T01:28:15Z","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":"dc7f6357654ce46b6580b24551e4efd5277c37a63e73abf063ff761b54f4f762","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-03-07T19:38:14Z","title_canon_sha256":"6c68170d9d44afc0e933bd0618aa3b3336878685972fff13ae09fccd7f06eeba"},"schema_version":"1.0","source":{"id":"1303.1792","kind":"arxiv","version":2}},"canonical_sha256":"3946181efbed50d12496b2b19968ab5478619f9a8d7c88b8bbe10368d7ad009b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3946181efbed50d12496b2b19968ab5478619f9a8d7c88b8bbe10368d7ad009b","first_computed_at":"2026-05-18T01:28:15.354384Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:28:15.354384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HXD1hF5FUfE5ROyTCdn6hOEpGLwuIVEgfpHMSNAafKxFN9GsHsaaohotbulq9A8GF6j/xTu76RwWTi8+38PKAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:28:15.354989Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.1792","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11141390e65aa76d7256bc38bda4aed6c3842a21f591707e8645ba2b97942247","sha256:6612892d2248e8b91c5b6e78b49f8449d842a2faaec5bcb8246390f3bc6ec307"],"state_sha256":"c72fc0f83de9e5b0c8a6037344bb39183076bea51bdda4c206c6eb382c9b0eea"}