{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MAUEI2LIQLD5ASTLRYUF2X6QQP","short_pith_number":"pith:MAUEI2LI","canonical_record":{"source":{"id":"1707.02231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-06T06:08:11Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"815ab8a489c924d8098c00717790f754bc83221336973621ce5cd76172979e76","abstract_canon_sha256":"cc53d636d842bae405c1273ad778664c637eb3385a4081ccd2a2ff73bf623abc"},"schema_version":"1.0"},"canonical_sha256":"602844696882c7d04a6b8e285d5fd083c5c03d5fedff663a20efc2413e6edbd2","source":{"kind":"arxiv","id":"1707.02231","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.02231","created_at":"2026-05-18T00:17:35Z"},{"alias_kind":"arxiv_version","alias_value":"1707.02231v1","created_at":"2026-05-18T00:17:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.02231","created_at":"2026-05-18T00:17:35Z"},{"alias_kind":"pith_short_12","alias_value":"MAUEI2LIQLD5","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MAUEI2LIQLD5ASTL","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MAUEI2LI","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MAUEI2LIQLD5ASTLRYUF2X6QQP","target":"record","payload":{"canonical_record":{"source":{"id":"1707.02231","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-06T06:08:11Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"815ab8a489c924d8098c00717790f754bc83221336973621ce5cd76172979e76","abstract_canon_sha256":"cc53d636d842bae405c1273ad778664c637eb3385a4081ccd2a2ff73bf623abc"},"schema_version":"1.0"},"canonical_sha256":"602844696882c7d04a6b8e285d5fd083c5c03d5fedff663a20efc2413e6edbd2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:35.438126Z","signature_b64":"3FN2NINr0gDU46qCGNWYHsGPUj/QpUG2c8vpC9qBjc2GVmlXCdPOia0SOPDywLoNlwlHqwWPW6GDadd8cXGxCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"602844696882c7d04a6b8e285d5fd083c5c03d5fedff663a20efc2413e6edbd2","last_reissued_at":"2026-05-18T00:17:35.437603Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:35.437603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.02231","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":"2026-05-18T00:17:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tpBB1a+9qExHmH3p9XyzCAtIFEWoIoR8dOB+MOvtsckc2gAqn66Fo4b45C3mI/r8zTCGhhmwTlNGBy6cK1S4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:09:55.390680Z"},"content_sha256":"2f1af5f4ef39c733377e09c0c47816e395ac8fcedba497657994fb93edd37320","schema_version":"1.0","event_id":"sha256:2f1af5f4ef39c733377e09c0c47816e395ac8fcedba497657994fb93edd37320"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MAUEI2LIQLD5ASTLRYUF2X6QQP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Black holes in massive gravity as heat engines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"B. Eslam Panah, H. Liu, S. H. Hendi, S. Panahiyan, X. -H. Meng","submitted_at":"2017-07-06T06:08:11Z","abstract_excerpt":"The paper at hand studies the heat engine provided by black holes in the presence of massive gravity. The main motivation is to investigate the effects of massive gravity on different properties of the heat engine. It will be shown that massive gravity parameters and graviton's mass modify the efficiency of engine on a significant level. Furthermore, it will be shown that it is possible to have the heat engine for non-spherical black holes in massive gravity and we study the effects of topological factor on properties of the heat engine. Surprisingly, it will be shown that the highest efficien"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.02231","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":""},"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":"2026-05-18T00:17:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jqtBFktW826xTABS0zsqfCTx6q+V+OrASVQgmjnhJMkwx0JwAazBjPkQzK35wWmK4h3E4oO4xU2bWvYE2S3oAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T11:09:55.391374Z"},"content_sha256":"3954019e67096c6df8fb1811e87d1bba5b19589df849e47a52700fa4fa0e5bf1","schema_version":"1.0","event_id":"sha256:3954019e67096c6df8fb1811e87d1bba5b19589df849e47a52700fa4fa0e5bf1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MAUEI2LIQLD5ASTLRYUF2X6QQP/bundle.json","state_url":"https://pith.science/pith/MAUEI2LIQLD5ASTLRYUF2X6QQP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MAUEI2LIQLD5ASTLRYUF2X6QQP/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":"2026-05-25T11:09:55Z","links":{"resolver":"https://pith.science/pith/MAUEI2LIQLD5ASTLRYUF2X6QQP","bundle":"https://pith.science/pith/MAUEI2LIQLD5ASTLRYUF2X6QQP/bundle.json","state":"https://pith.science/pith/MAUEI2LIQLD5ASTLRYUF2X6QQP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MAUEI2LIQLD5ASTLRYUF2X6QQP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MAUEI2LIQLD5ASTLRYUF2X6QQP","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":"cc53d636d842bae405c1273ad778664c637eb3385a4081ccd2a2ff73bf623abc","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-06T06:08:11Z","title_canon_sha256":"815ab8a489c924d8098c00717790f754bc83221336973621ce5cd76172979e76"},"schema_version":"1.0","source":{"id":"1707.02231","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.02231","created_at":"2026-05-18T00:17:35Z"},{"alias_kind":"arxiv_version","alias_value":"1707.02231v1","created_at":"2026-05-18T00:17:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.02231","created_at":"2026-05-18T00:17:35Z"},{"alias_kind":"pith_short_12","alias_value":"MAUEI2LIQLD5","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"MAUEI2LIQLD5ASTL","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"MAUEI2LI","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:3954019e67096c6df8fb1811e87d1bba5b19589df849e47a52700fa4fa0e5bf1","target":"graph","created_at":"2026-05-18T00:17:35Z","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 paper at hand studies the heat engine provided by black holes in the presence of massive gravity. The main motivation is to investigate the effects of massive gravity on different properties of the heat engine. It will be shown that massive gravity parameters and graviton's mass modify the efficiency of engine on a significant level. Furthermore, it will be shown that it is possible to have the heat engine for non-spherical black holes in massive gravity and we study the effects of topological factor on properties of the heat engine. Surprisingly, it will be shown that the highest efficien","authors_text":"B. Eslam Panah, H. Liu, S. H. Hendi, S. Panahiyan, X. -H. Meng","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-06T06:08:11Z","title":"Black holes in massive gravity as heat engines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.02231","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":"sha256:2f1af5f4ef39c733377e09c0c47816e395ac8fcedba497657994fb93edd37320","target":"record","created_at":"2026-05-18T00:17:35Z","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":"cc53d636d842bae405c1273ad778664c637eb3385a4081ccd2a2ff73bf623abc","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2017-07-06T06:08:11Z","title_canon_sha256":"815ab8a489c924d8098c00717790f754bc83221336973621ce5cd76172979e76"},"schema_version":"1.0","source":{"id":"1707.02231","kind":"arxiv","version":1}},"canonical_sha256":"602844696882c7d04a6b8e285d5fd083c5c03d5fedff663a20efc2413e6edbd2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"602844696882c7d04a6b8e285d5fd083c5c03d5fedff663a20efc2413e6edbd2","first_computed_at":"2026-05-18T00:17:35.437603Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:35.437603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3FN2NINr0gDU46qCGNWYHsGPUj/QpUG2c8vpC9qBjc2GVmlXCdPOia0SOPDywLoNlwlHqwWPW6GDadd8cXGxCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:35.438126Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.02231","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f1af5f4ef39c733377e09c0c47816e395ac8fcedba497657994fb93edd37320","sha256:3954019e67096c6df8fb1811e87d1bba5b19589df849e47a52700fa4fa0e5bf1"],"state_sha256":"2d9b2f48bd1fb41461c250e000d0211c1d599dfe3d5728a1134c6acabf339659"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SaMxe1nyaenT1MixeckMtdmFvV0PBbbw7bbmgOSi/j7dM1L2vunZnZmZTRUoFnsW83Pb08dfAFBHkU9/hZWiDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T11:09:55.394841Z","bundle_sha256":"7adabe33db34e68fd3f1dd2be6db5d6eb88a0edc2fa8c4b27f8d834943049488"}}