{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:TKDSKQ4QB4GNQV77U3SUWN56QY","short_pith_number":"pith:TKDSKQ4Q","canonical_record":{"source":{"id":"2205.13290","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-26T12:07:51Z","cross_cats_sorted":[],"title_canon_sha256":"e843b345a448d11eeb5019e2399527cb2073aebdf639a8916f8b0bcea4c5879c","abstract_canon_sha256":"78d4bf8b527d5b6fe81eb7af07bf7bcc5e0012535b043d10c266bed001973329"},"schema_version":"1.0"},"canonical_sha256":"9a872543900f0cd857ffa6e54b37be86209438b63ac10fe99c76e77acfcc6cd0","source":{"kind":"arxiv","id":"2205.13290","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.13290","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"arxiv_version","alias_value":"2205.13290v1","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.13290","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_12","alias_value":"TKDSKQ4QB4GN","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"TKDSKQ4QB4GNQV77","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"TKDSKQ4Q","created_at":"2026-07-05T04:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:TKDSKQ4QB4GNQV77U3SUWN56QY","target":"record","payload":{"canonical_record":{"source":{"id":"2205.13290","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-26T12:07:51Z","cross_cats_sorted":[],"title_canon_sha256":"e843b345a448d11eeb5019e2399527cb2073aebdf639a8916f8b0bcea4c5879c","abstract_canon_sha256":"78d4bf8b527d5b6fe81eb7af07bf7bcc5e0012535b043d10c266bed001973329"},"schema_version":"1.0"},"canonical_sha256":"9a872543900f0cd857ffa6e54b37be86209438b63ac10fe99c76e77acfcc6cd0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:41.656395Z","signature_b64":"XgQtQ5SPShU/rwJBxRpRLLZe6I9AW/EQfb7rSicjOSaTvF4MP8rpi59sB0lo63PXK6lFYQMiRLmg1rzU37AvAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a872543900f0cd857ffa6e54b37be86209438b63ac10fe99c76e77acfcc6cd0","last_reissued_at":"2026-07-05T04:26:41.655975Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:41.655975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.13290","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:26:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Uth4SLwBY43Bj1/tnugMXjrWb8sx1UEhHmNDnFSTNXDpz0D6OFEfd9qeN/alcWq37oJisfxbAwou1EUkfOkDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T11:41:52.605423Z"},"content_sha256":"ae57b581d742bca18623d840f19053c830d493e32bacba913bb2eac0af681c46","schema_version":"1.0","event_id":"sha256:ae57b581d742bca18623d840f19053c830d493e32bacba913bb2eac0af681c46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:TKDSKQ4QB4GNQV77U3SUWN56QY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finite-time quantum Otto engine with a squeezed thermal bath: Role of quantum coherence and squeezing in the performance and fluctuations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Dehua Liu, Jianhui Wang, Jizhou He, Wu-Ming Liu, Yang Xiao","submitted_at":"2022-05-26T12:07:51Z","abstract_excerpt":"We consider a finite-time quantum Otto heat engine that consists of two isochoric (thermal-contact) process, where the system is alternatively coupled to a hot squeezed and a cold thermal reservoir, and two unitary driven strokes, where the system is isolated from these two baths and its von Neumann entropy keeps constant. Both quantum inner friction and coherence are generated along the driven stroke and coherence cannot be fully erased after the finite-time hot isochore. Using full counting statistics, we present the probability distribution functions of heat injection and total work per cyc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.13290","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/2205.13290/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:26:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"23gvQBbrGJ6Vu9qFCZiphO+ZAe1IWBzBLddhBPuuxuym6tRFwX+KZehYgn6lKDqE6/JO7uAGVu7ghXg8HT/GDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T11:41:52.606003Z"},"content_sha256":"57ca41835c2d8d12006b3fa5356cbc8a441b05116db0e14bddc89ad754d1a0b0","schema_version":"1.0","event_id":"sha256:57ca41835c2d8d12006b3fa5356cbc8a441b05116db0e14bddc89ad754d1a0b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TKDSKQ4QB4GNQV77U3SUWN56QY/bundle.json","state_url":"https://pith.science/pith/TKDSKQ4QB4GNQV77U3SUWN56QY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TKDSKQ4QB4GNQV77U3SUWN56QY/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-22T11:41:52Z","links":{"resolver":"https://pith.science/pith/TKDSKQ4QB4GNQV77U3SUWN56QY","bundle":"https://pith.science/pith/TKDSKQ4QB4GNQV77U3SUWN56QY/bundle.json","state":"https://pith.science/pith/TKDSKQ4QB4GNQV77U3SUWN56QY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TKDSKQ4QB4GNQV77U3SUWN56QY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:TKDSKQ4QB4GNQV77U3SUWN56QY","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":"78d4bf8b527d5b6fe81eb7af07bf7bcc5e0012535b043d10c266bed001973329","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-26T12:07:51Z","title_canon_sha256":"e843b345a448d11eeb5019e2399527cb2073aebdf639a8916f8b0bcea4c5879c"},"schema_version":"1.0","source":{"id":"2205.13290","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.13290","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"arxiv_version","alias_value":"2205.13290v1","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.13290","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_12","alias_value":"TKDSKQ4QB4GN","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"TKDSKQ4QB4GNQV77","created_at":"2026-07-05T04:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"TKDSKQ4Q","created_at":"2026-07-05T04:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:57ca41835c2d8d12006b3fa5356cbc8a441b05116db0e14bddc89ad754d1a0b0","target":"graph","created_at":"2026-07-05T04:26:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2205.13290/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider a finite-time quantum Otto heat engine that consists of two isochoric (thermal-contact) process, where the system is alternatively coupled to a hot squeezed and a cold thermal reservoir, and two unitary driven strokes, where the system is isolated from these two baths and its von Neumann entropy keeps constant. Both quantum inner friction and coherence are generated along the driven stroke and coherence cannot be fully erased after the finite-time hot isochore. Using full counting statistics, we present the probability distribution functions of heat injection and total work per cyc","authors_text":"Dehua Liu, Jianhui Wang, Jizhou He, Wu-Ming Liu, Yang Xiao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-26T12:07:51Z","title":"Finite-time quantum Otto engine with a squeezed thermal bath: Role of quantum coherence and squeezing in the performance and fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.13290","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:ae57b581d742bca18623d840f19053c830d493e32bacba913bb2eac0af681c46","target":"record","created_at":"2026-07-05T04:26:41Z","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":"78d4bf8b527d5b6fe81eb7af07bf7bcc5e0012535b043d10c266bed001973329","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2022-05-26T12:07:51Z","title_canon_sha256":"e843b345a448d11eeb5019e2399527cb2073aebdf639a8916f8b0bcea4c5879c"},"schema_version":"1.0","source":{"id":"2205.13290","kind":"arxiv","version":1}},"canonical_sha256":"9a872543900f0cd857ffa6e54b37be86209438b63ac10fe99c76e77acfcc6cd0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a872543900f0cd857ffa6e54b37be86209438b63ac10fe99c76e77acfcc6cd0","first_computed_at":"2026-07-05T04:26:41.655975Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:41.655975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XgQtQ5SPShU/rwJBxRpRLLZe6I9AW/EQfb7rSicjOSaTvF4MP8rpi59sB0lo63PXK6lFYQMiRLmg1rzU37AvAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:41.656395Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.13290","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae57b581d742bca18623d840f19053c830d493e32bacba913bb2eac0af681c46","sha256:57ca41835c2d8d12006b3fa5356cbc8a441b05116db0e14bddc89ad754d1a0b0"],"state_sha256":"afc751427fde1702c9e8339fdf3473bff28f5c3e2deed6ec69d09dd7b6a0502f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jbZD5Qv282s2npXy+KsbLEn9csQW6s/98W/8SLpE7blHk6C8BjovsBjOcPgbbx1raI6Rg0sIdpVZWpVVI4FVAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T11:41:52.611245Z","bundle_sha256":"6738a726093c65a7c92253ebf2d00628d7ccdceae7c4de4edda593ab48d99e9a"}}