{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:EPOVCDEYHWPZE4FLYUO2J7YNQ6","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":"1937216c3e2becdf000fac3856e2d31de4e033baa175a781242becbf7e34aa6e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-12T23:34:31Z","title_canon_sha256":"d0f9e97bdaf055f5c5b1de1854ae79ea0cbf5776379df0441861869eaee3d568"},"schema_version":"1.0","source":{"id":"1903.05259","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.05259","created_at":"2026-05-17T23:44:11Z"},{"alias_kind":"arxiv_version","alias_value":"1903.05259v1","created_at":"2026-05-17T23:44:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.05259","created_at":"2026-05-17T23:44:11Z"},{"alias_kind":"pith_short_12","alias_value":"EPOVCDEYHWPZ","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"EPOVCDEYHWPZE4FL","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"EPOVCDEY","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:b7e30253be3aa8faa4c0aa9299bd7343953c5ae487805cc88e6db4dd61563303","target":"graph","created_at":"2026-05-17T23:44:11Z","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":"Memory effects can be studied through a conditional past-future correlation, which measures departure with respect to a conditional past-future independence valid in a memoryless Markovian regime. In a quantum regime this property leads to an operational definition of quantum non-Markovianity based on three consecutive system measurement processes and postselection [Budini, Phys. Rev. Lett. 121, 240401 (2018)]. Here, we study the conditional past-future correlation for a qubit system coupled to different dephasing environments. Exact solutions are obtained for a quantum spin bath as well as fo","authors_text":"Adrian A. Budini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-12T23:34:31Z","title":"Conditional past-future correlation induced by non-Markovian dephasing reservoirs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.05259","kind":"arxiv","version":1},"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":"sha256:2a463160deedf1f0562105eab7942c1b164e32816c9e799c049f299836e3f52f","target":"record","created_at":"2026-05-17T23:44:11Z","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":"1937216c3e2becdf000fac3856e2d31de4e033baa175a781242becbf7e34aa6e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-12T23:34:31Z","title_canon_sha256":"d0f9e97bdaf055f5c5b1de1854ae79ea0cbf5776379df0441861869eaee3d568"},"schema_version":"1.0","source":{"id":"1903.05259","kind":"arxiv","version":1}},"canonical_sha256":"23dd510c983d9f9270abc51da4ff0d87a7545bc9164282bc8e4dd7d1ad13fafa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23dd510c983d9f9270abc51da4ff0d87a7545bc9164282bc8e4dd7d1ad13fafa","first_computed_at":"2026-05-17T23:44:11.761358Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:11.761358Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ewv1iGheWWP6z6fn08BQ0V3tze6dFDys4uA3yhtmmWwipqw6Zbj4jJ/Ec9+q8++WGP7BF6khPXEQXmf+ufbQBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:11.761871Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.05259","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a463160deedf1f0562105eab7942c1b164e32816c9e799c049f299836e3f52f","sha256:b7e30253be3aa8faa4c0aa9299bd7343953c5ae487805cc88e6db4dd61563303"],"state_sha256":"940ca83eb298c2f18ef6763e7ff104868c8b9741cf2b90a78b1cb8cd8d32e9c5"}