{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VETJ6X2NKS3YIWGNUMQPAPNXGW","short_pith_number":"pith:VETJ6X2N","canonical_record":{"source":{"id":"1209.1684","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-08T03:21:42Z","cross_cats_sorted":[],"title_canon_sha256":"9d89aaa8cf61400be0e7add569f2a23b671d69d3b607008a1ca0052795f626bc","abstract_canon_sha256":"1139dcce574e6d724a82583efd88b41b7a613491f9e6b07da88ff91cf7ef7a56"},"schema_version":"1.0"},"canonical_sha256":"a9269f5f4d54b78458cda320f03db735aa30b2c43535c7c76b196f3986a56a4d","source":{"kind":"arxiv","id":"1209.1684","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.1684","created_at":"2026-05-18T03:34:48Z"},{"alias_kind":"arxiv_version","alias_value":"1209.1684v2","created_at":"2026-05-18T03:34:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1684","created_at":"2026-05-18T03:34:48Z"},{"alias_kind":"pith_short_12","alias_value":"VETJ6X2NKS3Y","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VETJ6X2NKS3YIWGN","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VETJ6X2N","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VETJ6X2NKS3YIWGNUMQPAPNXGW","target":"record","payload":{"canonical_record":{"source":{"id":"1209.1684","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-08T03:21:42Z","cross_cats_sorted":[],"title_canon_sha256":"9d89aaa8cf61400be0e7add569f2a23b671d69d3b607008a1ca0052795f626bc","abstract_canon_sha256":"1139dcce574e6d724a82583efd88b41b7a613491f9e6b07da88ff91cf7ef7a56"},"schema_version":"1.0"},"canonical_sha256":"a9269f5f4d54b78458cda320f03db735aa30b2c43535c7c76b196f3986a56a4d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:34:48.124944Z","signature_b64":"c7HSrtxgstX8xXehoZHNDV/U/C1k9ed2X4SU904rmpH6BwbkAUMzsuBDc1/7fz4ASPkEuMUy29604q762DYiAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9269f5f4d54b78458cda320f03db735aa30b2c43535c7c76b196f3986a56a4d","last_reissued_at":"2026-05-18T03:34:48.123932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:34:48.123932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.1684","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:34:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u7HlCuAptbSfkQQ5oPO8fjaQ4qIRPmsIDG0+MJULsLzfrMd7eOvvsksF8bQtUYB/oto9LSDjIpx7v8GKJy9MDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T13:08:25.156676Z"},"content_sha256":"c3b7a95c8e05f43e057c4ed73caad860cd2bb70940f1c3390d4a6c70ffbecacf","schema_version":"1.0","event_id":"sha256:c3b7a95c8e05f43e057c4ed73caad860cd2bb70940f1c3390d4a6c70ffbecacf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VETJ6X2NKS3YIWGNUMQPAPNXGW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Brayton cycle with coupled systems as working substance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"L. C. Wang, X. L. Huang, X. X. Yi","submitted_at":"2012-09-08T03:21:42Z","abstract_excerpt":"We explore the quantum version of Brayton cycle with a composite system as the working substance. The actual Brayton cycle consists of two adiabatic and two isobaric processes. Two pressures can be defined in our isobaric process, one corresponds to the external magnetic field (characterized by $F_x$) exerted on the system, while the other corresponds to the coupling constant between the subsystems (characterized by $F_y$). As a consequence, we can define two types of quantum Brayton cycle for the composite system. We find that the subsystem experiences a quantum Brayton cycle in one quantum B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1684","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":""},"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":"2026-05-18T03:34:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31PHZRp5TmaFGXTiKf6ll149jxrcJfxVtjhxpREsr8e4xM+4iSitzHBgWGMTjDou+xCkbxEcHUl5vhBssklBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T13:08:25.157045Z"},"content_sha256":"d2b620bfeb9fa407dae5af3b5fb4192dc1d4832cc693727db3d2516393895931","schema_version":"1.0","event_id":"sha256:d2b620bfeb9fa407dae5af3b5fb4192dc1d4832cc693727db3d2516393895931"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VETJ6X2NKS3YIWGNUMQPAPNXGW/bundle.json","state_url":"https://pith.science/pith/VETJ6X2NKS3YIWGNUMQPAPNXGW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VETJ6X2NKS3YIWGNUMQPAPNXGW/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":"2026-06-05T13:08:25Z","links":{"resolver":"https://pith.science/pith/VETJ6X2NKS3YIWGNUMQPAPNXGW","bundle":"https://pith.science/pith/VETJ6X2NKS3YIWGNUMQPAPNXGW/bundle.json","state":"https://pith.science/pith/VETJ6X2NKS3YIWGNUMQPAPNXGW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VETJ6X2NKS3YIWGNUMQPAPNXGW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VETJ6X2NKS3YIWGNUMQPAPNXGW","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":"1139dcce574e6d724a82583efd88b41b7a613491f9e6b07da88ff91cf7ef7a56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-08T03:21:42Z","title_canon_sha256":"9d89aaa8cf61400be0e7add569f2a23b671d69d3b607008a1ca0052795f626bc"},"schema_version":"1.0","source":{"id":"1209.1684","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.1684","created_at":"2026-05-18T03:34:48Z"},{"alias_kind":"arxiv_version","alias_value":"1209.1684v2","created_at":"2026-05-18T03:34:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1684","created_at":"2026-05-18T03:34:48Z"},{"alias_kind":"pith_short_12","alias_value":"VETJ6X2NKS3Y","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VETJ6X2NKS3YIWGN","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VETJ6X2N","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:d2b620bfeb9fa407dae5af3b5fb4192dc1d4832cc693727db3d2516393895931","target":"graph","created_at":"2026-05-18T03:34:48Z","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":"We explore the quantum version of Brayton cycle with a composite system as the working substance. The actual Brayton cycle consists of two adiabatic and two isobaric processes. Two pressures can be defined in our isobaric process, one corresponds to the external magnetic field (characterized by $F_x$) exerted on the system, while the other corresponds to the coupling constant between the subsystems (characterized by $F_y$). As a consequence, we can define two types of quantum Brayton cycle for the composite system. We find that the subsystem experiences a quantum Brayton cycle in one quantum B","authors_text":"L. C. Wang, X. L. Huang, X. X. Yi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-08T03:21:42Z","title":"Quantum Brayton cycle with coupled systems as working substance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1684","kind":"arxiv","version":2},"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:c3b7a95c8e05f43e057c4ed73caad860cd2bb70940f1c3390d4a6c70ffbecacf","target":"record","created_at":"2026-05-18T03:34:48Z","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":"1139dcce574e6d724a82583efd88b41b7a613491f9e6b07da88ff91cf7ef7a56","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-09-08T03:21:42Z","title_canon_sha256":"9d89aaa8cf61400be0e7add569f2a23b671d69d3b607008a1ca0052795f626bc"},"schema_version":"1.0","source":{"id":"1209.1684","kind":"arxiv","version":2}},"canonical_sha256":"a9269f5f4d54b78458cda320f03db735aa30b2c43535c7c76b196f3986a56a4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9269f5f4d54b78458cda320f03db735aa30b2c43535c7c76b196f3986a56a4d","first_computed_at":"2026-05-18T03:34:48.123932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:34:48.123932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c7HSrtxgstX8xXehoZHNDV/U/C1k9ed2X4SU904rmpH6BwbkAUMzsuBDc1/7fz4ASPkEuMUy29604q762DYiAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:34:48.124944Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.1684","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3b7a95c8e05f43e057c4ed73caad860cd2bb70940f1c3390d4a6c70ffbecacf","sha256:d2b620bfeb9fa407dae5af3b5fb4192dc1d4832cc693727db3d2516393895931"],"state_sha256":"5809c0b9a190b4bd2ff01c32bde9fb279fd11fb660322b8b58d9afc84c5aedf0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qFQhO/PadmWCk7zVjzxHtVlmKROxodnxJ35BHTn+ez9zuBzukldWVqEk8Y2ZPNXrvrOTYFmlJF/vbADcoRlsCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T13:08:25.159269Z","bundle_sha256":"43e8aeaf89be994ccde5a5854982f0493b2d7c2e4f813a1512854f027d78206e"}}