{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:2GW3N4W2QMUXQIAZDWFBV6Z7U2","short_pith_number":"pith:2GW3N4W2","schema_version":"1.0","canonical_sha256":"d1adb6f2da83297820191d8a1afb3fa69f348b7ab05de1bee56c305839382df6","source":{"kind":"arxiv","id":"1705.05817","version":3},"attestation_state":"computed","paper":{"title":"Universal trade-off between power, efficiency, and constancy in steady-state heat engines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Patrick Pietzonka, Udo Seifert","submitted_at":"2017-05-16T17:39:12Z","abstract_excerpt":"Heat engines should ideally have large power output, operate close to Carnot efficiency and show constancy, i.e., exhibit only small fluctuations in this output. For steady-state heat engines, driven by a constant temperature difference between the two heat baths, we prove that out of these three requirements only two are compatible. Constancy enters quantitatively the conventional trade-off between power and efficiency. Thus, we rationalize and unify recent suggestions for overcoming this simple trade-off. Our universal bound is illustrated for a paradigmatic model of a quantum dot solar cell"},"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":"1705.05817","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-05-16T17:39:12Z","cross_cats_sorted":[],"title_canon_sha256":"e333dd0b290534a98e606007391d3e954ff26594539bc0f0786cd55313e38cac","abstract_canon_sha256":"4ea79aa697f7a0c1c57e1c32e8866ead39d6de194fd193e97547316ed543a781"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:09.093655Z","signature_b64":"X+yymGpcq4AO8rOpxtdk3FV1H7nuOBhSyQfA82oRlaA1gKgsuVxmLLBfS+TA31O4FdvHIpXPheH4Eq//Oq33Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1adb6f2da83297820191d8a1afb3fa69f348b7ab05de1bee56c305839382df6","last_reissued_at":"2026-05-18T00:16:09.092990Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:09.092990Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Universal trade-off between power, efficiency, and constancy in steady-state heat engines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Patrick Pietzonka, Udo Seifert","submitted_at":"2017-05-16T17:39:12Z","abstract_excerpt":"Heat engines should ideally have large power output, operate close to Carnot efficiency and show constancy, i.e., exhibit only small fluctuations in this output. For steady-state heat engines, driven by a constant temperature difference between the two heat baths, we prove that out of these three requirements only two are compatible. Constancy enters quantitatively the conventional trade-off between power and efficiency. Thus, we rationalize and unify recent suggestions for overcoming this simple trade-off. Our universal bound is illustrated for a paradigmatic model of a quantum dot solar cell"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05817","kind":"arxiv","version":3},"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":"1705.05817","created_at":"2026-05-18T00:16:09.093101+00:00"},{"alias_kind":"arxiv_version","alias_value":"1705.05817v3","created_at":"2026-05-18T00:16:09.093101+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05817","created_at":"2026-05-18T00:16:09.093101+00:00"},{"alias_kind":"pith_short_12","alias_value":"2GW3N4W2QMUX","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_16","alias_value":"2GW3N4W2QMUXQIAZ","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_8","alias_value":"2GW3N4W2","created_at":"2026-05-18T12:30:55.937587+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/2GW3N4W2QMUXQIAZDWFBV6Z7U2","json":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2.json","graph_json":"https://pith.science/api/pith-number/2GW3N4W2QMUXQIAZDWFBV6Z7U2/graph.json","events_json":"https://pith.science/api/pith-number/2GW3N4W2QMUXQIAZDWFBV6Z7U2/events.json","paper":"https://pith.science/paper/2GW3N4W2"},"agent_actions":{"view_html":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2","download_json":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2.json","view_paper":"https://pith.science/paper/2GW3N4W2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1705.05817&json=true","fetch_graph":"https://pith.science/api/pith-number/2GW3N4W2QMUXQIAZDWFBV6Z7U2/graph.json","fetch_events":"https://pith.science/api/pith-number/2GW3N4W2QMUXQIAZDWFBV6Z7U2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2/action/storage_attestation","attest_author":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2/action/author_attestation","sign_citation":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2/action/citation_signature","submit_replication":"https://pith.science/pith/2GW3N4W2QMUXQIAZDWFBV6Z7U2/action/replication_record"}},"created_at":"2026-05-18T00:16:09.093101+00:00","updated_at":"2026-05-18T00:16:09.093101+00:00"}