{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:WMOSSSQZPL5ZWJXTIEM54FQ4JH","short_pith_number":"pith:WMOSSSQZ","canonical_record":{"source":{"id":"2205.07382","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-15T21:22:20Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b076f3e1912c74e22b75aedab28fa8dca4ef5dfcee83bb9c974c30fd01e7f885","abstract_canon_sha256":"fe2d94a9633c33e6813a14d57756f97501e345558cbd1e937075c7d6accf288c"},"schema_version":"1.0"},"canonical_sha256":"b31d294a197afb9b26f34119de161c49c58e811330c39e835a5b33376a085446","source":{"kind":"arxiv","id":"2205.07382","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.07382","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"arxiv_version","alias_value":"2205.07382v1","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.07382","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"pith_short_12","alias_value":"WMOSSSQZPL5Z","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"pith_short_16","alias_value":"WMOSSSQZPL5ZWJXT","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"pith_short_8","alias_value":"WMOSSSQZ","created_at":"2026-07-05T04:23:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:WMOSSSQZPL5ZWJXTIEM54FQ4JH","target":"record","payload":{"canonical_record":{"source":{"id":"2205.07382","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-15T21:22:20Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b076f3e1912c74e22b75aedab28fa8dca4ef5dfcee83bb9c974c30fd01e7f885","abstract_canon_sha256":"fe2d94a9633c33e6813a14d57756f97501e345558cbd1e937075c7d6accf288c"},"schema_version":"1.0"},"canonical_sha256":"b31d294a197afb9b26f34119de161c49c58e811330c39e835a5b33376a085446","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:23:28.449559Z","signature_b64":"uvt6SOtO0cbOWiix9lZOjW4csUYjG5HTVTz32fysaiYRWWDDtE7skp1850Rgakkj8Ca41NXLBGvMzSCHIC91Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b31d294a197afb9b26f34119de161c49c58e811330c39e835a5b33376a085446","last_reissued_at":"2026-07-05T04:23:28.449178Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:23:28.449178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.07382","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":"2026-07-05T04:23:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZQhacI0jZQnZrSp4xAXFm5Bqy1xrSUxs5jlU1OL5o5iaRIEvVwy+iG7e5i9KYDN77xscfm/t9fKcX1ZhaaYCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:44:18.160846Z"},"content_sha256":"e29204d7d6da1dab0946c9de36ba722be344471dcb26a78d7b2cd77e358a2835","schema_version":"1.0","event_id":"sha256:e29204d7d6da1dab0946c9de36ba722be344471dcb26a78d7b2cd77e358a2835"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:WMOSSSQZPL5ZWJXTIEM54FQ4JH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"JT Gravity Coupled to Fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Bingnan Zhang, Patrick Draper, Tom Banks","submitted_at":"2022-05-15T21:22:20Z","abstract_excerpt":"We argue that two-dimensional dilaton gravity models can all be derived from an analog of Jacobson's covariant version of the first law of thermodynamics. We then specialize to the JT gravity model and couple it to massless fermions. This model is exactly soluble in quantum field theory, and we present a new derivation of that result. The field theory model violates two principles one might want to impose on a quantum theory of gravity describing the near horizon region of an extremal charged black hole in four dimensions: finiteness of the entropy for finite causal diamonds, and the absence o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.07382","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/2205.07382/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":"2026-07-05T04:23:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BscQcgPIAc5uHDxQz44XsKNXpK7gaMkgFbEgq9Jx0jLFfdYzSagG/5FtRtgr/W/M0nGwJ4tmyXMCySYuekfHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:44:18.161343Z"},"content_sha256":"8aaa228ed8f092caf243748b0ed81c80767de7b24eb4f34e3c1ee1e83824433f","schema_version":"1.0","event_id":"sha256:8aaa228ed8f092caf243748b0ed81c80767de7b24eb4f34e3c1ee1e83824433f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WMOSSSQZPL5ZWJXTIEM54FQ4JH/bundle.json","state_url":"https://pith.science/pith/WMOSSSQZPL5ZWJXTIEM54FQ4JH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WMOSSSQZPL5ZWJXTIEM54FQ4JH/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":"2026-08-04T04:44:18Z","links":{"resolver":"https://pith.science/pith/WMOSSSQZPL5ZWJXTIEM54FQ4JH","bundle":"https://pith.science/pith/WMOSSSQZPL5ZWJXTIEM54FQ4JH/bundle.json","state":"https://pith.science/pith/WMOSSSQZPL5ZWJXTIEM54FQ4JH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WMOSSSQZPL5ZWJXTIEM54FQ4JH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:WMOSSSQZPL5ZWJXTIEM54FQ4JH","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":"fe2d94a9633c33e6813a14d57756f97501e345558cbd1e937075c7d6accf288c","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-15T21:22:20Z","title_canon_sha256":"b076f3e1912c74e22b75aedab28fa8dca4ef5dfcee83bb9c974c30fd01e7f885"},"schema_version":"1.0","source":{"id":"2205.07382","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.07382","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"arxiv_version","alias_value":"2205.07382v1","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.07382","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"pith_short_12","alias_value":"WMOSSSQZPL5Z","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"pith_short_16","alias_value":"WMOSSSQZPL5ZWJXT","created_at":"2026-07-05T04:23:28Z"},{"alias_kind":"pith_short_8","alias_value":"WMOSSSQZ","created_at":"2026-07-05T04:23:28Z"}],"graph_snapshots":[{"event_id":"sha256:8aaa228ed8f092caf243748b0ed81c80767de7b24eb4f34e3c1ee1e83824433f","target":"graph","created_at":"2026-07-05T04:23:28Z","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/2205.07382/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We argue that two-dimensional dilaton gravity models can all be derived from an analog of Jacobson's covariant version of the first law of thermodynamics. We then specialize to the JT gravity model and couple it to massless fermions. This model is exactly soluble in quantum field theory, and we present a new derivation of that result. The field theory model violates two principles one might want to impose on a quantum theory of gravity describing the near horizon region of an extremal charged black hole in four dimensions: finiteness of the entropy for finite causal diamonds, and the absence o","authors_text":"Bingnan Zhang, Patrick Draper, Tom Banks","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-15T21:22:20Z","title":"JT Gravity Coupled to Fermions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.07382","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:e29204d7d6da1dab0946c9de36ba722be344471dcb26a78d7b2cd77e358a2835","target":"record","created_at":"2026-07-05T04:23:28Z","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":"fe2d94a9633c33e6813a14d57756f97501e345558cbd1e937075c7d6accf288c","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-05-15T21:22:20Z","title_canon_sha256":"b076f3e1912c74e22b75aedab28fa8dca4ef5dfcee83bb9c974c30fd01e7f885"},"schema_version":"1.0","source":{"id":"2205.07382","kind":"arxiv","version":1}},"canonical_sha256":"b31d294a197afb9b26f34119de161c49c58e811330c39e835a5b33376a085446","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b31d294a197afb9b26f34119de161c49c58e811330c39e835a5b33376a085446","first_computed_at":"2026-07-05T04:23:28.449178Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:23:28.449178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uvt6SOtO0cbOWiix9lZOjW4csUYjG5HTVTz32fysaiYRWWDDtE7skp1850Rgakkj8Ca41NXLBGvMzSCHIC91Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:23:28.449559Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.07382","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e29204d7d6da1dab0946c9de36ba722be344471dcb26a78d7b2cd77e358a2835","sha256:8aaa228ed8f092caf243748b0ed81c80767de7b24eb4f34e3c1ee1e83824433f"],"state_sha256":"ed95eeb317d11d492ce1ecf8da980a518107c6aec6d68772e1e29e52fac5416c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NlL1JJxTLYiEU0MWZRsZ9s35KlVywGNf/PzrALxC5ImgAtQ5ZaP8iELvreIj0nenBgFu73i4ZME2PefwSoBnCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T04:44:18.165168Z","bundle_sha256":"b8b684b7ae0304ceb3dc23a48a6cc2f7c359f5d4087959f5b2513191b2e1e596"}}