{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:E6K3CQJLYSXXINJ7QKQLSH53FT","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":"17c23aa9d3e7bf5ce6ff4dae1f33eeadc43713cd40e67a26f60cd3e074e91ca4","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-05-06T18:47:59Z","title_canon_sha256":"e8cab8c440e741e75b54b76181d34e47fbed369c3f9b64187f33171f49850959"},"schema_version":"1.0","source":{"id":"1205.1238","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.1238","created_at":"2026-05-18T03:37:18Z"},{"alias_kind":"arxiv_version","alias_value":"1205.1238v3","created_at":"2026-05-18T03:37:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.1238","created_at":"2026-05-18T03:37:18Z"},{"alias_kind":"pith_short_12","alias_value":"E6K3CQJLYSXX","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E6K3CQJLYSXXINJ7","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E6K3CQJL","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:e4143ef08e82a499a8d54535f7e311c0390aa6eed509677460c1282870998467","target":"graph","created_at":"2026-05-18T03:37:18Z","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":"It is shown how it is possible to reconstruct the initial state of a one-dimensional system by measuring sequentially two conjugate variables. The procedure relies on the quasi-characteristic function, the Fourier-transform of the Wigner quasi-probability. The proper characteristic function obtained by Fourier-transforming the experimentally accessible joint probability of observing \"position\" then \"momentum\" (or vice versa) can be expressed as a product of the quasi-characteristic function of the two detectors and that, unknown, of the quantum system. This allows state reconstruction through ","authors_text":"Antonio Di Lorenzo","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-05-06T18:47:59Z","title":"Sequential measurement of conjugate variables as an alternative quantum state tomography"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.1238","kind":"arxiv","version":3},"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:afa9eaf3edb8652c88e5ce1461c1d82e4577327191adf92649040c75c8658511","target":"record","created_at":"2026-05-18T03:37:18Z","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":"17c23aa9d3e7bf5ce6ff4dae1f33eeadc43713cd40e67a26f60cd3e074e91ca4","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-05-06T18:47:59Z","title_canon_sha256":"e8cab8c440e741e75b54b76181d34e47fbed369c3f9b64187f33171f49850959"},"schema_version":"1.0","source":{"id":"1205.1238","kind":"arxiv","version":3}},"canonical_sha256":"2795b1412bc4af74353f82a0b91fbb2ce3611cfcc17b54daa9d413a19c87f7eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2795b1412bc4af74353f82a0b91fbb2ce3611cfcc17b54daa9d413a19c87f7eb","first_computed_at":"2026-05-18T03:37:18.994262Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:37:18.994262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/9fVOSaEQ1Y7FEDA/6c7xR3eRVC+QmiwLUN94oa3mlyvs3awUNytsyqPrSWWSmsL9dlQZYdkXOO2cYcelfB7BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:37:18.994767Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.1238","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:afa9eaf3edb8652c88e5ce1461c1d82e4577327191adf92649040c75c8658511","sha256:e4143ef08e82a499a8d54535f7e311c0390aa6eed509677460c1282870998467"],"state_sha256":"26135021a456b21f4aa7329680c0295011efa8ee984c297aaa9aca283223f50f"}