{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:P7XCBLKOIASGUMNTGTOJ6YZVI7","short_pith_number":"pith:P7XCBLKO","canonical_record":{"source":{"id":"1006.1471","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-06-08T07:49:46Z","cross_cats_sorted":[],"title_canon_sha256":"a869bbf3cd04f593bcceccfd804f5a62e2137d8110d022cf526f24fc88301957","abstract_canon_sha256":"1801b0b0d0b40edea7de5209c9e493b9c612807c4771eaa2a693df47db4b3d36"},"schema_version":"1.0"},"canonical_sha256":"7fee20ad4e40246a31b334dc9f633547dd2e04222c0621a2bfe76b2fb8b6c039","source":{"kind":"arxiv","id":"1006.1471","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1471","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1471v2","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1471","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"pith_short_12","alias_value":"P7XCBLKOIASG","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"P7XCBLKOIASGUMNT","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"P7XCBLKO","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:P7XCBLKOIASGUMNTGTOJ6YZVI7","target":"record","payload":{"canonical_record":{"source":{"id":"1006.1471","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-06-08T07:49:46Z","cross_cats_sorted":[],"title_canon_sha256":"a869bbf3cd04f593bcceccfd804f5a62e2137d8110d022cf526f24fc88301957","abstract_canon_sha256":"1801b0b0d0b40edea7de5209c9e493b9c612807c4771eaa2a693df47db4b3d36"},"schema_version":"1.0"},"canonical_sha256":"7fee20ad4e40246a31b334dc9f633547dd2e04222c0621a2bfe76b2fb8b6c039","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:09.748221Z","signature_b64":"GnlhJz5ptn99j0H/p2kS2oLAzHmGBuTUgEGjIMuSznykXyF7ZmQWBSLGExDTW25rI8reKX0JZrc2xxqTbMHrBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7fee20ad4e40246a31b334dc9f633547dd2e04222c0621a2bfe76b2fb8b6c039","last_reissued_at":"2026-05-18T04:28:09.747500Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:09.747500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.1471","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":"2026-05-18T04:28:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WmHMkObiJy4fPQps5ZRW6cdX6+UjheY0Aqdw+SecP0UgRXmNPPVvlaue3cX1TktnEr9Rf08SuZlJiGqGawaSAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:18:40.749852Z"},"content_sha256":"802ce39af27249fd99271473c15374683140bf52516f91248b8803639f96e5b1","schema_version":"1.0","event_id":"sha256:802ce39af27249fd99271473c15374683140bf52516f91248b8803639f96e5b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:P7XCBLKOIASGUMNTGTOJ6YZVI7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Szilard Engine","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Masahito Ueda, Sang Wook Kim, Simone De Liberato, Takahiro Sagawa","submitted_at":"2010-06-08T07:49:46Z","abstract_excerpt":"The Szilard engine (SZE) is the quintessence of Maxwell's demon, which can extract the work from a heat bath by utilizing information. We present the first complete quantum analysis of the SZE, and derive an analytic expression of the quantum-mechanical work performed by a quantum SZE containing an arbitrary number of molecules, where it is crucial to regard the process of insertion or removal of a wall as a legitimate thermodynamic process. We find that more (less) work can be extracted from the bosonic (fermionic) SZE due to the indistinguishability of identical particles."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1471","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":"2026-05-18T04:28:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ADuMN1W8E4kkGZzWVpvj0wlJWozUeDIlE9wT6lJSnMSygcf2X1mvxcXhpIAFYdvXi/hvFUl6FeIBX47+mSgLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:18:40.750539Z"},"content_sha256":"81975b4c54b9d30b683bb1e77c2ccc4e973ab9653a6bc87a4fa58203361b0a36","schema_version":"1.0","event_id":"sha256:81975b4c54b9d30b683bb1e77c2ccc4e973ab9653a6bc87a4fa58203361b0a36"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P7XCBLKOIASGUMNTGTOJ6YZVI7/bundle.json","state_url":"https://pith.science/pith/P7XCBLKOIASGUMNTGTOJ6YZVI7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P7XCBLKOIASGUMNTGTOJ6YZVI7/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":"2026-05-26T06:18:40Z","links":{"resolver":"https://pith.science/pith/P7XCBLKOIASGUMNTGTOJ6YZVI7","bundle":"https://pith.science/pith/P7XCBLKOIASGUMNTGTOJ6YZVI7/bundle.json","state":"https://pith.science/pith/P7XCBLKOIASGUMNTGTOJ6YZVI7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P7XCBLKOIASGUMNTGTOJ6YZVI7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:P7XCBLKOIASGUMNTGTOJ6YZVI7","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":"1801b0b0d0b40edea7de5209c9e493b9c612807c4771eaa2a693df47db4b3d36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-06-08T07:49:46Z","title_canon_sha256":"a869bbf3cd04f593bcceccfd804f5a62e2137d8110d022cf526f24fc88301957"},"schema_version":"1.0","source":{"id":"1006.1471","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1471","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1471v2","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1471","created_at":"2026-05-18T04:28:09Z"},{"alias_kind":"pith_short_12","alias_value":"P7XCBLKOIASG","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"P7XCBLKOIASGUMNT","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"P7XCBLKO","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:81975b4c54b9d30b683bb1e77c2ccc4e973ab9653a6bc87a4fa58203361b0a36","target":"graph","created_at":"2026-05-18T04:28:09Z","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":"The Szilard engine (SZE) is the quintessence of Maxwell's demon, which can extract the work from a heat bath by utilizing information. We present the first complete quantum analysis of the SZE, and derive an analytic expression of the quantum-mechanical work performed by a quantum SZE containing an arbitrary number of molecules, where it is crucial to regard the process of insertion or removal of a wall as a legitimate thermodynamic process. We find that more (less) work can be extracted from the bosonic (fermionic) SZE due to the indistinguishability of identical particles.","authors_text":"Masahito Ueda, Sang Wook Kim, Simone De Liberato, Takahiro Sagawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-06-08T07:49:46Z","title":"Quantum Szilard Engine"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1471","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":"sha256:802ce39af27249fd99271473c15374683140bf52516f91248b8803639f96e5b1","target":"record","created_at":"2026-05-18T04:28:09Z","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":"1801b0b0d0b40edea7de5209c9e493b9c612807c4771eaa2a693df47db4b3d36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-06-08T07:49:46Z","title_canon_sha256":"a869bbf3cd04f593bcceccfd804f5a62e2137d8110d022cf526f24fc88301957"},"schema_version":"1.0","source":{"id":"1006.1471","kind":"arxiv","version":2}},"canonical_sha256":"7fee20ad4e40246a31b334dc9f633547dd2e04222c0621a2bfe76b2fb8b6c039","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7fee20ad4e40246a31b334dc9f633547dd2e04222c0621a2bfe76b2fb8b6c039","first_computed_at":"2026-05-18T04:28:09.747500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:09.747500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GnlhJz5ptn99j0H/p2kS2oLAzHmGBuTUgEGjIMuSznykXyF7ZmQWBSLGExDTW25rI8reKX0JZrc2xxqTbMHrBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:09.748221Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.1471","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:802ce39af27249fd99271473c15374683140bf52516f91248b8803639f96e5b1","sha256:81975b4c54b9d30b683bb1e77c2ccc4e973ab9653a6bc87a4fa58203361b0a36"],"state_sha256":"1f4ed7ea6727d1da5fd74b1936650d0d76961d8623373fdd8164f8ff159310c4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rYdrv/u9dqGq/eTxN0lvJc6WT4ED/+EFM/rJ2QCYkY9G7AHuiln31JmhzW5yul6++mB5qY7vKXJYaLsoteuyBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:18:40.754030Z","bundle_sha256":"5257918140c2cc5ca2cf53f7bb082e10d7cf82560f9a0c8693b9f017cc2cc515"}}