{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:CNDGZV7AQKMR3MS26FUCXCJO4R","short_pith_number":"pith:CNDGZV7A","schema_version":"1.0","canonical_sha256":"13466cd7e082991db25af1682b892ee45eca00625285dceb905824c20ab85fb1","source":{"kind":"arxiv","id":"1708.01552","version":2},"attestation_state":"computed","paper":{"title":"Bifurcation in Quantum Measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Erik Sj\\\"oqvist, Karl-Erik Eriksson, Kristian Lindgren, Martin Cederwall","submitted_at":"2017-08-04T15:23:58Z","abstract_excerpt":"We present a generic model of (non-destructive) quantum measurement. Being formulated within reversible quantum mechanics, the model illustrates a mechanism of a measurement process --- a transition of the measured system to an eigenstate of the measured observable. The model consists of a two-level system $\\mu$ interacting with a larger system $A$, consisting of smaller subsystems. The interaction is modelled as a scattering process. Restricting the states of $A$ to product states leads to a bifurcation process: In the limit of a large system $A$, the initial states of $A$ that are efficient "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1708.01552","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-04T15:23:58Z","cross_cats_sorted":[],"title_canon_sha256":"99dcc7e750f7b14ae14497198d3717e281c05f886bbfe817894dcf588e98e209","abstract_canon_sha256":"3cd9c4b71e3132c46411d60227377e060756a7e16791487d9ea4faf2d87cdbbd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:23.578497Z","signature_b64":"BvyMJPQ2XhQEpBVDxizvTWLjvVeWQkCJUPGkAO/SS89cl3SSHXxMrgyChupp035+rJP9KI7kEutUnDrvWKpRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13466cd7e082991db25af1682b892ee45eca00625285dceb905824c20ab85fb1","last_reissued_at":"2026-05-18T00:31:23.577873Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:23.577873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bifurcation in Quantum Measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Erik Sj\\\"oqvist, Karl-Erik Eriksson, Kristian Lindgren, Martin Cederwall","submitted_at":"2017-08-04T15:23:58Z","abstract_excerpt":"We present a generic model of (non-destructive) quantum measurement. Being formulated within reversible quantum mechanics, the model illustrates a mechanism of a measurement process --- a transition of the measured system to an eigenstate of the measured observable. The model consists of a two-level system $\\mu$ interacting with a larger system $A$, consisting of smaller subsystems. The interaction is modelled as a scattering process. Restricting the states of $A$ to product states leads to a bifurcation process: In the limit of a large system $A$, the initial states of $A$ that are efficient "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.01552","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1708.01552","created_at":"2026-05-18T00:31:23.577965+00:00"},{"alias_kind":"arxiv_version","alias_value":"1708.01552v2","created_at":"2026-05-18T00:31:23.577965+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.01552","created_at":"2026-05-18T00:31:23.577965+00:00"},{"alias_kind":"pith_short_12","alias_value":"CNDGZV7AQKMR","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_16","alias_value":"CNDGZV7AQKMR3MS2","created_at":"2026-05-18T12:31:10.602751+00:00"},{"alias_kind":"pith_short_8","alias_value":"CNDGZV7A","created_at":"2026-05-18T12:31:10.602751+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R","json":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R.json","graph_json":"https://pith.science/api/pith-number/CNDGZV7AQKMR3MS26FUCXCJO4R/graph.json","events_json":"https://pith.science/api/pith-number/CNDGZV7AQKMR3MS26FUCXCJO4R/events.json","paper":"https://pith.science/paper/CNDGZV7A"},"agent_actions":{"view_html":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R","download_json":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R.json","view_paper":"https://pith.science/paper/CNDGZV7A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1708.01552&json=true","fetch_graph":"https://pith.science/api/pith-number/CNDGZV7AQKMR3MS26FUCXCJO4R/graph.json","fetch_events":"https://pith.science/api/pith-number/CNDGZV7AQKMR3MS26FUCXCJO4R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R/action/storage_attestation","attest_author":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R/action/author_attestation","sign_citation":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R/action/citation_signature","submit_replication":"https://pith.science/pith/CNDGZV7AQKMR3MS26FUCXCJO4R/action/replication_record"}},"created_at":"2026-05-18T00:31:23.577965+00:00","updated_at":"2026-05-18T00:31:23.577965+00:00"}