{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:OJCVXPBQDBJTUWK6Z5SPXVMOGG","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":"62afe1947e9428e93a015cb891801d20430f01492c39e8224cad1588ecec837b","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-09-04T01:49:15Z","title_canon_sha256":"75b8523edb33f567e38f92d2c687052a6a77abed7eb1a87dbfae5422411e8eec"},"schema_version":"1.0","source":{"id":"0709.0321","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.0321","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"arxiv_version","alias_value":"0709.0321v1","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.0321","created_at":"2026-05-18T01:17:01Z"},{"alias_kind":"pith_short_12","alias_value":"OJCVXPBQDBJT","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"OJCVXPBQDBJTUWK6","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"OJCVXPBQ","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:3761a08985820a1c027a0f9c9c64fce5cc3c8f13cf2209e72cc04629952df4e2","target":"graph","created_at":"2026-05-18T01:17:01Z","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":"Several authors have shown that dissipative thermal cycle models based on Finite-Time Thermodynamics exhibit loop-shaped curves of power output versus efficiency, such as it occurs with actual dissipative thermal engines. Within the context of First-Order Irreversible Thermodynamics (FOIT), in this work we show that for an energy converter consisting of two coupled fluxes it is also possible to find loop-shaped curves of both power output and the so-called ecological function against efficiency. In a previous work Stucki [J.W. Stucki, Eur. J. Biochem. vol. 109, 269 (1980)] used a FOIT-approach","authors_text":"F. Angulo-Brown, L. A. Arias-Hern\\'andez, R. T. Paez-Hern\\'andez","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-09-04T01:49:15Z","title":"A first--order irreversible thermodynamic approach to a simple energy converter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.0321","kind":"arxiv","version":1},"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:b717d0dbbd497775b6a189605f25fc57b24479b2ed67be74740dfd15f597707f","target":"record","created_at":"2026-05-18T01:17:01Z","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":"62afe1947e9428e93a015cb891801d20430f01492c39e8224cad1588ecec837b","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-09-04T01:49:15Z","title_canon_sha256":"75b8523edb33f567e38f92d2c687052a6a77abed7eb1a87dbfae5422411e8eec"},"schema_version":"1.0","source":{"id":"0709.0321","kind":"arxiv","version":1}},"canonical_sha256":"72455bbc3018533a595ecf64fbd58e31b243258fd0908debc50631d973cedd9d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72455bbc3018533a595ecf64fbd58e31b243258fd0908debc50631d973cedd9d","first_computed_at":"2026-05-18T01:17:01.659133Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:01.659133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6ZfD+fc/xht4NE9tK1umyju0X9mf4AuPKgl/hgtA+mGd3ZYTDb/LgdyNKjx23TfSfCe+oaUflNRFqC421rHEDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:01.659892Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.0321","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b717d0dbbd497775b6a189605f25fc57b24479b2ed67be74740dfd15f597707f","sha256:3761a08985820a1c027a0f9c9c64fce5cc3c8f13cf2209e72cc04629952df4e2"],"state_sha256":"ee2b37a57581fcfb00ddf6167142bf601d6785f2ec7afdd03bb93e3024dec100"}