{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:D572HAD4AKM3SVM4L4R56N24LO","short_pith_number":"pith:D572HAD4","canonical_record":{"source":{"id":"1908.06819","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-19T14:13:06Z","cross_cats_sorted":[],"title_canon_sha256":"d7e36916da4324a833380c37640c310ef00f555e5456d4a3729e517b38289446","abstract_canon_sha256":"5a5a381f7e153eb50c6b0855ab02bada62245100dbc862f932d42b9ee6bbb1e2"},"schema_version":"1.0"},"canonical_sha256":"1f7fa3807c0299b9559c5f23df375c5b8f77f8d31ad4aa9bf15621ca2fa4e0b6","source":{"kind":"arxiv","id":"1908.06819","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06819","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06819v2","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06819","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"pith_short_12","alias_value":"D572HAD4AKM3","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"pith_short_16","alias_value":"D572HAD4AKM3SVM4","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"pith_short_8","alias_value":"D572HAD4","created_at":"2026-07-05T01:08:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:D572HAD4AKM3SVM4L4R56N24LO","target":"record","payload":{"canonical_record":{"source":{"id":"1908.06819","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-19T14:13:06Z","cross_cats_sorted":[],"title_canon_sha256":"d7e36916da4324a833380c37640c310ef00f555e5456d4a3729e517b38289446","abstract_canon_sha256":"5a5a381f7e153eb50c6b0855ab02bada62245100dbc862f932d42b9ee6bbb1e2"},"schema_version":"1.0"},"canonical_sha256":"1f7fa3807c0299b9559c5f23df375c5b8f77f8d31ad4aa9bf15621ca2fa4e0b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:08:24.458406Z","signature_b64":"V2ALM0XllZjbOwOptM7rDP8q77w0obneOEnNPsFWHuYp8rrqFj4WkiznoQS2gnWDk8AHzZw+i+ZdCAsK0TYKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f7fa3807c0299b9559c5f23df375c5b8f77f8d31ad4aa9bf15621ca2fa4e0b6","last_reissued_at":"2026-07-05T01:08:24.458029Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:08:24.458029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.06819","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":"2026-07-05T01:08:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wpxI3KdDV/9H8wuvsUVdYZba1jffIz2sBMEzqDE0jV6Ad2BV2mHZcmCiGbZ2A/vpkR7aKZzKoNAPCTDFiPvODg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T03:55:07.946066Z"},"content_sha256":"d0898c5dc045aa255c29b752db9c78ed67f0e047c81edececc2a435583ed6425","schema_version":"1.0","event_id":"sha256:d0898c5dc045aa255c29b752db9c78ed67f0e047c81edececc2a435583ed6425"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:D572HAD4AKM3SVM4L4R56N24LO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Relativistic quantum heat engine from uncertainty relation standpoint","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Goutam Paul, Pritam Chattopadhyay","submitted_at":"2019-08-19T14:13:06Z","abstract_excerpt":"Established heat engines in quantum regime can be modeled with various quantum systems as working substances. For example, in the non-relativistic case, we can model the heat engine using infinite potential well as a working substance to evaluate the efficiency and work done of the engine. Here, we propose quantum heat engine with a relativistic particle confined in the one-dimensional potential well as working substance. The cycle comprises of two isothermal processes and two potential well processes of equal width, which forms the quantum counterpart of the known isochoric process in classic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06819","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.06819/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":"2026-07-05T01:08:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QafedeD775rScMd5yCsAqwc8CILwbz2VOvDf4Vv3mu/K9fIhaUqFScuu6LNa/tSuvXbW13f5KWruJHBoCaBaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T03:55:07.946597Z"},"content_sha256":"90f7f58731af4ea48ef29b099e7b8e921cdc7c560b332e6e63246d3013b79d91","schema_version":"1.0","event_id":"sha256:90f7f58731af4ea48ef29b099e7b8e921cdc7c560b332e6e63246d3013b79d91"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D572HAD4AKM3SVM4L4R56N24LO/bundle.json","state_url":"https://pith.science/pith/D572HAD4AKM3SVM4L4R56N24LO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D572HAD4AKM3SVM4L4R56N24LO/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":"2026-08-16T03:55:07Z","links":{"resolver":"https://pith.science/pith/D572HAD4AKM3SVM4L4R56N24LO","bundle":"https://pith.science/pith/D572HAD4AKM3SVM4L4R56N24LO/bundle.json","state":"https://pith.science/pith/D572HAD4AKM3SVM4L4R56N24LO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D572HAD4AKM3SVM4L4R56N24LO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:D572HAD4AKM3SVM4L4R56N24LO","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":"5a5a381f7e153eb50c6b0855ab02bada62245100dbc862f932d42b9ee6bbb1e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-19T14:13:06Z","title_canon_sha256":"d7e36916da4324a833380c37640c310ef00f555e5456d4a3729e517b38289446"},"schema_version":"1.0","source":{"id":"1908.06819","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06819","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06819v2","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06819","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"pith_short_12","alias_value":"D572HAD4AKM3","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"pith_short_16","alias_value":"D572HAD4AKM3SVM4","created_at":"2026-07-05T01:08:24Z"},{"alias_kind":"pith_short_8","alias_value":"D572HAD4","created_at":"2026-07-05T01:08:24Z"}],"graph_snapshots":[{"event_id":"sha256:90f7f58731af4ea48ef29b099e7b8e921cdc7c560b332e6e63246d3013b79d91","target":"graph","created_at":"2026-07-05T01:08:24Z","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/1908.06819/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Established heat engines in quantum regime can be modeled with various quantum systems as working substances. For example, in the non-relativistic case, we can model the heat engine using infinite potential well as a working substance to evaluate the efficiency and work done of the engine. Here, we propose quantum heat engine with a relativistic particle confined in the one-dimensional potential well as working substance. The cycle comprises of two isothermal processes and two potential well processes of equal width, which forms the quantum counterpart of the known isochoric process in classic","authors_text":"Goutam Paul, Pritam Chattopadhyay","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-19T14:13:06Z","title":"Relativistic quantum heat engine from uncertainty relation standpoint"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06819","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:d0898c5dc045aa255c29b752db9c78ed67f0e047c81edececc2a435583ed6425","target":"record","created_at":"2026-07-05T01:08:24Z","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":"5a5a381f7e153eb50c6b0855ab02bada62245100dbc862f932d42b9ee6bbb1e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-19T14:13:06Z","title_canon_sha256":"d7e36916da4324a833380c37640c310ef00f555e5456d4a3729e517b38289446"},"schema_version":"1.0","source":{"id":"1908.06819","kind":"arxiv","version":2}},"canonical_sha256":"1f7fa3807c0299b9559c5f23df375c5b8f77f8d31ad4aa9bf15621ca2fa4e0b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f7fa3807c0299b9559c5f23df375c5b8f77f8d31ad4aa9bf15621ca2fa4e0b6","first_computed_at":"2026-07-05T01:08:24.458029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:08:24.458029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V2ALM0XllZjbOwOptM7rDP8q77w0obneOEnNPsFWHuYp8rrqFj4WkiznoQS2gnWDk8AHzZw+i+ZdCAsK0TYKAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:08:24.458406Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.06819","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d0898c5dc045aa255c29b752db9c78ed67f0e047c81edececc2a435583ed6425","sha256:90f7f58731af4ea48ef29b099e7b8e921cdc7c560b332e6e63246d3013b79d91"],"state_sha256":"3ba16cf083ab95c2ea00094dd2a8e75b584e161cca73dc96dd9fb52e4eab1648"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPnNDEi2zG8BJ30B5/twEybg7Fw5uyGENEJUGTNLHxkUih87rmlhlMqWHcPzk3mP21vvw6jCgzY3JKLaIeU2DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T03:55:07.950112Z","bundle_sha256":"246e6aa71ae83801e99a3d46b439490cddd2197293c4a1a5c02f66c18ff39680"}}