{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:2M3SKSUVOEUYO6DHI26MLTM6VO","short_pith_number":"pith:2M3SKSUV","schema_version":"1.0","canonical_sha256":"d337254a95712987786746bcc5cd9eabb843bf2daea29f4b386de1f536137359","source":{"kind":"arxiv","id":"2607.28702","version":1},"attestation_state":"computed","paper":{"title":"Experimental Demonstration of a Measurement-Feedback Quantum Information Engine","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Dehua Liu, Gang Chen, Jianhui Wang, Jinfeng Wei, Jintao Bu, Kaifeng Cui, Leilei Yan, Xi Wang, Yiling Zhan, Yingying Hong, Zhe Wang","submitted_at":"2026-07-30T13:47:32Z","abstract_excerpt":"Harnessing quantum inner friction in a finite-time stroke of quantum engine to extract work remains an open experimental challenge. Here we address this issue by experimentally establishing and demonstrating an innovative measurement-feedback quantum information engine model in the trapped 40Ca+ ion system, where the projective measurement replaces the hot reservoir as a nonthermal energy source and feedback-control conditionally steers the system through either unitary compression-expansion strokes or thermalization. We experimentally show that the engine, starting from arbitrary initial stat"},"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":"2607.28702","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-30T13:47:32Z","cross_cats_sorted":[],"title_canon_sha256":"9b96a030147cd76eba7dbba7527dec0e5980c6952a6d5f3f6f745207ad6fbf52","abstract_canon_sha256":"41affe7f70599d32335ce86cadbbcbc369e56eb94f99fb89c8f5a5a3ee0a22dd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-03T00:12:13.249856Z","signature_b64":"dPEJ8Ze0eDjhpNclbTdr75tZP8LGRIKMcDiOu+fZpD70tyk2R6kO3gM59qmSw4g+vgTQd930i3G0vSGc5ZezAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d337254a95712987786746bcc5cd9eabb843bf2daea29f4b386de1f536137359","last_reissued_at":"2026-08-03T00:12:13.247472Z","signature_status":"signed_v1","first_computed_at":"2026-08-03T00:12:13.247472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental Demonstration of a Measurement-Feedback Quantum Information Engine","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Dehua Liu, Gang Chen, Jianhui Wang, Jinfeng Wei, Jintao Bu, Kaifeng Cui, Leilei Yan, Xi Wang, Yiling Zhan, Yingying Hong, Zhe Wang","submitted_at":"2026-07-30T13:47:32Z","abstract_excerpt":"Harnessing quantum inner friction in a finite-time stroke of quantum engine to extract work remains an open experimental challenge. Here we address this issue by experimentally establishing and demonstrating an innovative measurement-feedback quantum information engine model in the trapped 40Ca+ ion system, where the projective measurement replaces the hot reservoir as a nonthermal energy source and feedback-control conditionally steers the system through either unitary compression-expansion strokes or thermalization. We experimentally show that the engine, starting from arbitrary initial stat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28702","kind":"arxiv","version":1},"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/2607.28702/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":"2607.28702","created_at":"2026-08-03T00:12:13.249169+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.28702v1","created_at":"2026-08-03T00:12:13.249169+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28702","created_at":"2026-08-03T00:12:13.249169+00:00"},{"alias_kind":"pith_short_12","alias_value":"2M3SKSUVOEUY","created_at":"2026-08-03T00:12:13.249169+00:00"},{"alias_kind":"pith_short_16","alias_value":"2M3SKSUVOEUYO6DH","created_at":"2026-08-03T00:12:13.249169+00:00"},{"alias_kind":"pith_short_8","alias_value":"2M3SKSUV","created_at":"2026-08-03T00:12:13.249169+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/2M3SKSUVOEUYO6DHI26MLTM6VO","json":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO.json","graph_json":"https://pith.science/api/pith-number/2M3SKSUVOEUYO6DHI26MLTM6VO/graph.json","events_json":"https://pith.science/api/pith-number/2M3SKSUVOEUYO6DHI26MLTM6VO/events.json","paper":"https://pith.science/paper/2M3SKSUV"},"agent_actions":{"view_html":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO","download_json":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO.json","view_paper":"https://pith.science/paper/2M3SKSUV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.28702&json=true","fetch_graph":"https://pith.science/api/pith-number/2M3SKSUVOEUYO6DHI26MLTM6VO/graph.json","fetch_events":"https://pith.science/api/pith-number/2M3SKSUVOEUYO6DHI26MLTM6VO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO/action/storage_attestation","attest_author":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO/action/author_attestation","sign_citation":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO/action/citation_signature","submit_replication":"https://pith.science/pith/2M3SKSUVOEUYO6DHI26MLTM6VO/action/replication_record"}},"created_at":"2026-08-03T00:12:13.249169+00:00","updated_at":"2026-08-03T00:12:13.249169+00:00"}