{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:QVZHLAMPAO7FC5CNWPDI5YQVJN","short_pith_number":"pith:QVZHLAMP","canonical_record":{"source":{"id":"2407.11123","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-15T18:00:01Z","cross_cats_sorted":["cs.IT","gr-qc","hep-th","math.IT"],"title_canon_sha256":"91e4dc3aff651987d90b995481c4f57d1963777ea5f39226842358afae744ea8","abstract_canon_sha256":"907cbe5dc260d07f76930f1f096a96833cd4e5e90ddbbf6bd4dbd26a260d1320"},"schema_version":"1.0"},"canonical_sha256":"857275818f03be51744db3c68ee2154b7f5dd0ca8be67899c09f02c306fefaff","source":{"kind":"arxiv","id":"2407.11123","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.11123","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"arxiv_version","alias_value":"2407.11123v1","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.11123","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"pith_short_12","alias_value":"QVZHLAMPAO7F","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"pith_short_16","alias_value":"QVZHLAMPAO7FC5CN","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"pith_short_8","alias_value":"QVZHLAMP","created_at":"2026-07-05T08:44:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:QVZHLAMPAO7FC5CNWPDI5YQVJN","target":"record","payload":{"canonical_record":{"source":{"id":"2407.11123","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-15T18:00:01Z","cross_cats_sorted":["cs.IT","gr-qc","hep-th","math.IT"],"title_canon_sha256":"91e4dc3aff651987d90b995481c4f57d1963777ea5f39226842358afae744ea8","abstract_canon_sha256":"907cbe5dc260d07f76930f1f096a96833cd4e5e90ddbbf6bd4dbd26a260d1320"},"schema_version":"1.0"},"canonical_sha256":"857275818f03be51744db3c68ee2154b7f5dd0ca8be67899c09f02c306fefaff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:44:18.877876Z","signature_b64":"br4+ATOvXU5KvJtWJiKeAoty76i1JOGBqE33/2Ix+SWQVhYIhNO1dj5NCH3bJo6v6KD4Se+4pvkTagh789jQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"857275818f03be51744db3c68ee2154b7f5dd0ca8be67899c09f02c306fefaff","last_reissued_at":"2026-07-05T08:44:18.877419Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:44:18.877419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.11123","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:44:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"85MyYfbS79zK1JFLbDlR9M+6iNKOMUIkfGBl/FDm6advZfa2ZINuov6r1dzphnbwjxawzlM/A8ldpZS/im72DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T20:51:27.242891Z"},"content_sha256":"1511d3a286e308c50ea6770d46067fe71795ddb0e4b3529386daeb6dfdee12d1","schema_version":"1.0","event_id":"sha256:1511d3a286e308c50ea6770d46067fe71795ddb0e4b3529386daeb6dfdee12d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:QVZHLAMPAO7FC5CNWPDI5YQVJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-symmetric correlations for open quantum systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.IT","gr-qc","hep-th","math.IT"],"primary_cat":"quant-ph","authors_text":"Arthur J. Parzygnat, James Fullwood","submitted_at":"2024-07-15T18:00:01Z","abstract_excerpt":"Two-time expectation values of sequential measurements of dichotomic observables are known to be time symmetric for closed quantum systems. Namely, if a system evolves unitarily between sequential measurements of dichotomic observables $\\mathscr{O}_{A}$ followed by $\\mathscr{O}_{B}$, then it necessarily follows that $\\langle\\mathscr{O}_{A}\\,,\\mathscr{O}_{B}\\rangle=\\langle\\mathscr{O}_{B}\\,,\\mathscr{O}_{A}\\rangle$, where $\\langle\\mathscr{O}_{A}\\,,\\mathscr{O}_{B}\\rangle$ is the two-time expectation value corresponding to the product of the measurement outcomes of $\\mathscr{O}_{A}$ followed by $\\m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.11123","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.11123/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:44:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RDeXStyNtlRHD0AlSPXqz9jk1zopCG+UI0lmEbSPfuYZPf9SvDDe3R9glKLDYs77LhFpZ47AdZ9L9kEcuE6iBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T20:51:27.243601Z"},"content_sha256":"952fb254c4a94b28bc798b8a071c8ce50e353de2978a64cd31ad49c42dcb5e3b","schema_version":"1.0","event_id":"sha256:952fb254c4a94b28bc798b8a071c8ce50e353de2978a64cd31ad49c42dcb5e3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVZHLAMPAO7FC5CNWPDI5YQVJN/bundle.json","state_url":"https://pith.science/pith/QVZHLAMPAO7FC5CNWPDI5YQVJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVZHLAMPAO7FC5CNWPDI5YQVJN/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-15T20:51:27Z","links":{"resolver":"https://pith.science/pith/QVZHLAMPAO7FC5CNWPDI5YQVJN","bundle":"https://pith.science/pith/QVZHLAMPAO7FC5CNWPDI5YQVJN/bundle.json","state":"https://pith.science/pith/QVZHLAMPAO7FC5CNWPDI5YQVJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVZHLAMPAO7FC5CNWPDI5YQVJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:QVZHLAMPAO7FC5CNWPDI5YQVJN","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":"907cbe5dc260d07f76930f1f096a96833cd4e5e90ddbbf6bd4dbd26a260d1320","cross_cats_sorted":["cs.IT","gr-qc","hep-th","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-15T18:00:01Z","title_canon_sha256":"91e4dc3aff651987d90b995481c4f57d1963777ea5f39226842358afae744ea8"},"schema_version":"1.0","source":{"id":"2407.11123","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.11123","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"arxiv_version","alias_value":"2407.11123v1","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.11123","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"pith_short_12","alias_value":"QVZHLAMPAO7F","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"pith_short_16","alias_value":"QVZHLAMPAO7FC5CN","created_at":"2026-07-05T08:44:18Z"},{"alias_kind":"pith_short_8","alias_value":"QVZHLAMP","created_at":"2026-07-05T08:44:18Z"}],"graph_snapshots":[{"event_id":"sha256:952fb254c4a94b28bc798b8a071c8ce50e353de2978a64cd31ad49c42dcb5e3b","target":"graph","created_at":"2026-07-05T08:44:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2407.11123/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Two-time expectation values of sequential measurements of dichotomic observables are known to be time symmetric for closed quantum systems. Namely, if a system evolves unitarily between sequential measurements of dichotomic observables $\\mathscr{O}_{A}$ followed by $\\mathscr{O}_{B}$, then it necessarily follows that $\\langle\\mathscr{O}_{A}\\,,\\mathscr{O}_{B}\\rangle=\\langle\\mathscr{O}_{B}\\,,\\mathscr{O}_{A}\\rangle$, where $\\langle\\mathscr{O}_{A}\\,,\\mathscr{O}_{B}\\rangle$ is the two-time expectation value corresponding to the product of the measurement outcomes of $\\mathscr{O}_{A}$ followed by $\\m","authors_text":"Arthur J. Parzygnat, James Fullwood","cross_cats":["cs.IT","gr-qc","hep-th","math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-15T18:00:01Z","title":"Time-symmetric correlations for open quantum systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.11123","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":"sha256:1511d3a286e308c50ea6770d46067fe71795ddb0e4b3529386daeb6dfdee12d1","target":"record","created_at":"2026-07-05T08:44:18Z","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":"907cbe5dc260d07f76930f1f096a96833cd4e5e90ddbbf6bd4dbd26a260d1320","cross_cats_sorted":["cs.IT","gr-qc","hep-th","math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-15T18:00:01Z","title_canon_sha256":"91e4dc3aff651987d90b995481c4f57d1963777ea5f39226842358afae744ea8"},"schema_version":"1.0","source":{"id":"2407.11123","kind":"arxiv","version":1}},"canonical_sha256":"857275818f03be51744db3c68ee2154b7f5dd0ca8be67899c09f02c306fefaff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"857275818f03be51744db3c68ee2154b7f5dd0ca8be67899c09f02c306fefaff","first_computed_at":"2026-07-05T08:44:18.877419Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:44:18.877419Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"br4+ATOvXU5KvJtWJiKeAoty76i1JOGBqE33/2Ix+SWQVhYIhNO1dj5NCH3bJo6v6KD4Se+4pvkTagh789jQDw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:44:18.877876Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.11123","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1511d3a286e308c50ea6770d46067fe71795ddb0e4b3529386daeb6dfdee12d1","sha256:952fb254c4a94b28bc798b8a071c8ce50e353de2978a64cd31ad49c42dcb5e3b"],"state_sha256":"27077af7835e8162e83f13d76e07d94e7d5272ae9e35937d6c1ea03a695e3991"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I04nBWK7uwigw8us/glvEOTugVJK0LBcTwtNbitDPDRldMZnGVV11g3Wg3XaWLQzXiaAU+ue5DGMyOg4C4a3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T20:51:27.249286Z","bundle_sha256":"a025d147c9db9d38687aba270d8d91d70d2fc3cf0cdffa6092788f520ad419f4"}}