{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YCJCHIZNV24H7XSKOB6B7C4OFK","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":"a59e2fcf65fd77c6d84588b42b8649e26fdd39f85688646c4c6b088812185605","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-01T19:10:51Z","title_canon_sha256":"e6b33de94a7c8a819e7336045751ec2568af37be451ad1f41fb2a07aef2ad62d"},"schema_version":"1.0","source":{"id":"1409.0510","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.0510","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"arxiv_version","alias_value":"1409.0510v2","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.0510","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"pith_short_12","alias_value":"YCJCHIZNV24H","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YCJCHIZNV24H7XSK","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YCJCHIZN","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:a4fa62e970e8e4e0860d94bd7df66134b6f7c7a1496f2e34b7841eb5a8fce6b7","target":"graph","created_at":"2026-05-18T02:25:18Z","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":"The quantum state of a superconducting transmon qubit inside a three-dimensional cavity is monitored by reflection of a microwave field on the cavity. The information inferred from the measurement record is incorporated in a density matrix $\\rho_t$, which is conditioned on probe results until $t$, and in an auxiliary matrix $E_t$, which is conditioned on probe results obtained after $t$. Here, we obtain these matrices from experimental data and we illustrate their application to predict and retrodict the outcome of weak and strong qubit measurements.","authors_text":"D. Tan, I. Siddiqi, K. M{\\o}lmer, K. W. Murch, S. Weber","cross_cats":["cond-mat.mes-hall","cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-01T19:10:51Z","title":"Prediction and retrodiction for a continuously monitored superconducting qubit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.0510","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:ea761779800f5f63ae2bb4fca3d736eb647c587914faaa9644b2acf01e596d58","target":"record","created_at":"2026-05-18T02:25:18Z","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":"a59e2fcf65fd77c6d84588b42b8649e26fdd39f85688646c4c6b088812185605","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-01T19:10:51Z","title_canon_sha256":"e6b33de94a7c8a819e7336045751ec2568af37be451ad1f41fb2a07aef2ad62d"},"schema_version":"1.0","source":{"id":"1409.0510","kind":"arxiv","version":2}},"canonical_sha256":"c09223a32daeb87fde4a707c1f8b8e2a91ef0f4591e83e0f33cd52ef17adf4ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c09223a32daeb87fde4a707c1f8b8e2a91ef0f4591e83e0f33cd52ef17adf4ec","first_computed_at":"2026-05-18T02:25:18.737184Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:25:18.737184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ltUIp8ueycW4otOiz5cNDYWEltnY8Eq6IirmXALBbd1g7C31RhD2FhDyaHt+zQfF1yTE6B6QNBQByQTB19ddAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:25:18.737600Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.0510","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea761779800f5f63ae2bb4fca3d736eb647c587914faaa9644b2acf01e596d58","sha256:a4fa62e970e8e4e0860d94bd7df66134b6f7c7a1496f2e34b7841eb5a8fce6b7"],"state_sha256":"167af5475b87ce29077ad10dbbe9a5ca2b349f8114b520505e55e95d8b0d65d8"}