{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:6WJ4I7GEL7E5SCSK7ASRMG6IAV","short_pith_number":"pith:6WJ4I7GE","schema_version":"1.0","canonical_sha256":"f593c47cc45fc9d90a4af825161bc80578d605e443a94ac0c2a9b69abd2568ff","source":{"kind":"arxiv","id":"1409.3812","version":2},"attestation_state":"computed","paper":{"title":"Work measurement as a generalized quantum measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Augusto J. Roncaglia, Federico Cerisola, Juan Pablo Paz","submitted_at":"2014-09-12T18:26:31Z","abstract_excerpt":"We present a new method to measure the work $w$ performed on a driven quantum system and to sample its probability distribution $P(w)$. The method is based on a simple fact that remained unnoticed until now: Work on a quantum system can be measured by performing a generalized quantum measurement at a single time. Such measurement, which technically speaking is denoted as a POVM (positive operator valued measure) reduces to an ordinary projective measurement on an enlarged system. This observation not only demystifies work measurement but also suggests a new quantum algorithm to efficiently sam"},"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":"1409.3812","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-12T18:26:31Z","cross_cats_sorted":[],"title_canon_sha256":"759b2434253f7d75c4262385e583ce7da3447f849756eff2a9bc042b340a4bbc","abstract_canon_sha256":"9401c71a6b8af6c890105a0021c75252d4b4075db93010fa68e5d71061435da1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:02.964106Z","signature_b64":"akrsY6J9gdMlxAaHRqKjJQ2N708TndA+pqw+WLWzwNWPjvCZEraMfrkiV+D5fR5NBWeS0t7210O1RNT2POEMDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f593c47cc45fc9d90a4af825161bc80578d605e443a94ac0c2a9b69abd2568ff","last_reissued_at":"2026-05-18T01:42:02.963616Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:02.963616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Work measurement as a generalized quantum measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Augusto J. Roncaglia, Federico Cerisola, Juan Pablo Paz","submitted_at":"2014-09-12T18:26:31Z","abstract_excerpt":"We present a new method to measure the work $w$ performed on a driven quantum system and to sample its probability distribution $P(w)$. The method is based on a simple fact that remained unnoticed until now: Work on a quantum system can be measured by performing a generalized quantum measurement at a single time. Such measurement, which technically speaking is denoted as a POVM (positive operator valued measure) reduces to an ordinary projective measurement on an enlarged system. This observation not only demystifies work measurement but also suggests a new quantum algorithm to efficiently sam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3812","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":"1409.3812","created_at":"2026-05-18T01:42:02.963686+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.3812v2","created_at":"2026-05-18T01:42:02.963686+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3812","created_at":"2026-05-18T01:42:02.963686+00:00"},{"alias_kind":"pith_short_12","alias_value":"6WJ4I7GEL7E5","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_16","alias_value":"6WJ4I7GEL7E5SCSK","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_8","alias_value":"6WJ4I7GE","created_at":"2026-05-18T12:28:16.859392+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/6WJ4I7GEL7E5SCSK7ASRMG6IAV","json":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV.json","graph_json":"https://pith.science/api/pith-number/6WJ4I7GEL7E5SCSK7ASRMG6IAV/graph.json","events_json":"https://pith.science/api/pith-number/6WJ4I7GEL7E5SCSK7ASRMG6IAV/events.json","paper":"https://pith.science/paper/6WJ4I7GE"},"agent_actions":{"view_html":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV","download_json":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV.json","view_paper":"https://pith.science/paper/6WJ4I7GE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.3812&json=true","fetch_graph":"https://pith.science/api/pith-number/6WJ4I7GEL7E5SCSK7ASRMG6IAV/graph.json","fetch_events":"https://pith.science/api/pith-number/6WJ4I7GEL7E5SCSK7ASRMG6IAV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV/action/storage_attestation","attest_author":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV/action/author_attestation","sign_citation":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV/action/citation_signature","submit_replication":"https://pith.science/pith/6WJ4I7GEL7E5SCSK7ASRMG6IAV/action/replication_record"}},"created_at":"2026-05-18T01:42:02.963686+00:00","updated_at":"2026-05-18T01:42:02.963686+00:00"}