{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:ZMSWVHOMV45PCMBBWP7XW5WQH7","short_pith_number":"pith:ZMSWVHOM","schema_version":"1.0","canonical_sha256":"cb256a9dccaf3af13021b3ff7b76d03fe4910182fd89d39f4b9789bc1ff65402","source":{"kind":"arxiv","id":"2403.02022","version":2},"attestation_state":"computed","paper":{"title":"Heat and Work in Quantum Thermodynamics: a Cybernetic Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Oscar Gr{\\aa}n\\\"as, William Rupush","submitted_at":"2024-03-04T13:26:48Z","abstract_excerpt":"We present a new proposal for distinguishing heat from work based on a control-theoretic observability decomposition. We derive a Hermitian operator representing instantaneous dissipation of observable energy, and suggest a generalization of the von-Neumann entropy which can account for the model-uncertainty also present in pure states if the measured observables are informationally incomplete. In this view, the transition from a fundamental to a thermodynamic model consists in mapping the fundamental density matrix to an effective one, generally of lower dimension, encoding only what is obser"},"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":"2403.02022","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-04T13:26:48Z","cross_cats_sorted":[],"title_canon_sha256":"77b0ae4c9501284a27913df209d10419aed7788f6a3ee8b4a5439847cd50cff3","abstract_canon_sha256":"f420627e6ccbcfa65f4962d914f7061d3da3de564a8774af5bde65e701925251"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:01:18.954329Z","signature_b64":"kFLhme0Do9Mf+11sUYvECcIBZ2Bse8+pS6TWmbUda0R/By0rwWOKiQJj1CHxtGat+96Cmdphd7yq8YEMk2VABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb256a9dccaf3af13021b3ff7b76d03fe4910182fd89d39f4b9789bc1ff65402","last_reissued_at":"2026-07-05T08:01:18.953844Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:01:18.953844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heat and Work in Quantum Thermodynamics: a Cybernetic Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Oscar Gr{\\aa}n\\\"as, William Rupush","submitted_at":"2024-03-04T13:26:48Z","abstract_excerpt":"We present a new proposal for distinguishing heat from work based on a control-theoretic observability decomposition. We derive a Hermitian operator representing instantaneous dissipation of observable energy, and suggest a generalization of the von-Neumann entropy which can account for the model-uncertainty also present in pure states if the measured observables are informationally incomplete. In this view, the transition from a fundamental to a thermodynamic model consists in mapping the fundamental density matrix to an effective one, generally of lower dimension, encoding only what is obser"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.02022","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2403.02022/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2403.02022","created_at":"2026-07-05T08:01:18.953904+00:00"},{"alias_kind":"arxiv_version","alias_value":"2403.02022v2","created_at":"2026-07-05T08:01:18.953904+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.02022","created_at":"2026-07-05T08:01:18.953904+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZMSWVHOMV45P","created_at":"2026-07-05T08:01:18.953904+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZMSWVHOMV45PCMBB","created_at":"2026-07-05T08:01:18.953904+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZMSWVHOM","created_at":"2026-07-05T08:01:18.953904+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.00993","citing_title":"On Identification of Heat and Work in Quantum Many-Body Systems with Local Operations and Classical Communication","ref_index":29,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7","json":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7.json","graph_json":"https://pith.science/api/pith-number/ZMSWVHOMV45PCMBBWP7XW5WQH7/graph.json","events_json":"https://pith.science/api/pith-number/ZMSWVHOMV45PCMBBWP7XW5WQH7/events.json","paper":"https://pith.science/paper/ZMSWVHOM"},"agent_actions":{"view_html":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7","download_json":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7.json","view_paper":"https://pith.science/paper/ZMSWVHOM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2403.02022&json=true","fetch_graph":"https://pith.science/api/pith-number/ZMSWVHOMV45PCMBBWP7XW5WQH7/graph.json","fetch_events":"https://pith.science/api/pith-number/ZMSWVHOMV45PCMBBWP7XW5WQH7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7/action/storage_attestation","attest_author":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7/action/author_attestation","sign_citation":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7/action/citation_signature","submit_replication":"https://pith.science/pith/ZMSWVHOMV45PCMBBWP7XW5WQH7/action/replication_record"}},"created_at":"2026-07-05T08:01:18.953904+00:00","updated_at":"2026-07-05T08:01:18.953904+00:00"}