{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:H3S7WOKHDI37CBC3ER2N3ARNKP","short_pith_number":"pith:H3S7WOKH","canonical_record":{"source":{"id":"1812.01596","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-04T18:52:59Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4356a9e7ba181e86358c87b108ee09c3baa25f862bd3ed32b502f1b7601da98e","abstract_canon_sha256":"64ddeab1fe2b9335695c8a5e0e14c4b45d27102214e3b0546007a57d9bb3f2a9"},"schema_version":"1.0"},"canonical_sha256":"3ee5fb39471a37f1045b2474dd822d53d7361c8bc09262d3d2c7924bc1e9e408","source":{"kind":"arxiv","id":"1812.01596","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.01596","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"arxiv_version","alias_value":"1812.01596v3","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01596","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"pith_short_12","alias_value":"H3S7WOKHDI37","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"H3S7WOKHDI37CBC3","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"H3S7WOKH","created_at":"2026-07-05T00:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:H3S7WOKHDI37CBC3ER2N3ARNKP","target":"record","payload":{"canonical_record":{"source":{"id":"1812.01596","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-04T18:52:59Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"4356a9e7ba181e86358c87b108ee09c3baa25f862bd3ed32b502f1b7601da98e","abstract_canon_sha256":"64ddeab1fe2b9335695c8a5e0e14c4b45d27102214e3b0546007a57d9bb3f2a9"},"schema_version":"1.0"},"canonical_sha256":"3ee5fb39471a37f1045b2474dd822d53d7361c8bc09262d3d2c7924bc1e9e408","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:25:53.918882Z","signature_b64":"wCbbBSXGDjwAqprJL/aTgKhV4h6ujp4wIMnP66DWEgAmUHrvwkgqxERLBjq727YfCOL2KNOBAtjOYUPYhPYRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ee5fb39471a37f1045b2474dd822d53d7361c8bc09262d3d2c7924bc1e9e408","last_reissued_at":"2026-07-05T00:25:53.918392Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:25:53.918392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.01596","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:25:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IUcEg48JDgE4dI1Y6qELh+2FfHX/noIAKAtvzZFirv2sf3w6jLY2FNKWDQMczZRIdKHa5gK61E2PX0E2MQ+5CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T05:05:58.891441Z"},"content_sha256":"0882b286935c5162eedb0d612b8471aecbc9074b1c2fb56016a7370a52f470cc","schema_version":"1.0","event_id":"sha256:0882b286935c5162eedb0d612b8471aecbc9074b1c2fb56016a7370a52f470cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:H3S7WOKHDI37CBC3ER2N3ARNKP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational Thermodynamics of Causal Diamonds in (A)dS","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Manus R. Visser, Ted Jacobson","submitted_at":"2018-12-04T18:52:59Z","abstract_excerpt":"The static patch of de Sitter spacetime and the Rindler wedge of Minkowski spacetime are causal diamonds admitting a true Killing field, and they behave as thermodynamic equilibrium states under gravitational perturbations. We explore the extension of this gravitational thermodynamics to all causal diamonds in maximally symmetric spacetimes. Although such diamonds generally admit only a conformal Killing vector, that seems in all respects to be sufficient. We establish a Smarr formula for such diamonds and a \"first law\" for variations to nearby solutions. The latter relates the variations of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01596","kind":"arxiv","version":3},"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/1812.01596/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":"2026-07-05T00:25:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kgg6n2Ilq5gMosI3lyt1AdiTIZTYa2Z/7SDRyGCgP1GK8Ec8X/LzSE70ZlfDQuLlNCCSdAF3IgUkejFNiVZ9AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T05:05:58.891818Z"},"content_sha256":"f4f2a567c0422c2dcbcf36c4f9f8cf5dbd070ec0d65683e0f41fdf8ed43e4bdb","schema_version":"1.0","event_id":"sha256:f4f2a567c0422c2dcbcf36c4f9f8cf5dbd070ec0d65683e0f41fdf8ed43e4bdb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H3S7WOKHDI37CBC3ER2N3ARNKP/bundle.json","state_url":"https://pith.science/pith/H3S7WOKHDI37CBC3ER2N3ARNKP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H3S7WOKHDI37CBC3ER2N3ARNKP/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":"2026-07-06T05:05:58Z","links":{"resolver":"https://pith.science/pith/H3S7WOKHDI37CBC3ER2N3ARNKP","bundle":"https://pith.science/pith/H3S7WOKHDI37CBC3ER2N3ARNKP/bundle.json","state":"https://pith.science/pith/H3S7WOKHDI37CBC3ER2N3ARNKP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H3S7WOKHDI37CBC3ER2N3ARNKP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:H3S7WOKHDI37CBC3ER2N3ARNKP","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":"64ddeab1fe2b9335695c8a5e0e14c4b45d27102214e3b0546007a57d9bb3f2a9","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-04T18:52:59Z","title_canon_sha256":"4356a9e7ba181e86358c87b108ee09c3baa25f862bd3ed32b502f1b7601da98e"},"schema_version":"1.0","source":{"id":"1812.01596","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.01596","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"arxiv_version","alias_value":"1812.01596v3","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01596","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"pith_short_12","alias_value":"H3S7WOKHDI37","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"H3S7WOKHDI37CBC3","created_at":"2026-07-05T00:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"H3S7WOKH","created_at":"2026-07-05T00:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:f4f2a567c0422c2dcbcf36c4f9f8cf5dbd070ec0d65683e0f41fdf8ed43e4bdb","target":"graph","created_at":"2026-07-05T00:25:53Z","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/1812.01596/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The static patch of de Sitter spacetime and the Rindler wedge of Minkowski spacetime are causal diamonds admitting a true Killing field, and they behave as thermodynamic equilibrium states under gravitational perturbations. We explore the extension of this gravitational thermodynamics to all causal diamonds in maximally symmetric spacetimes. Although such diamonds generally admit only a conformal Killing vector, that seems in all respects to be sufficient. We establish a Smarr formula for such diamonds and a \"first law\" for variations to nearby solutions. The latter relates the variations of t","authors_text":"Manus R. Visser, Ted Jacobson","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-04T18:52:59Z","title":"Gravitational Thermodynamics of Causal Diamonds in (A)dS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01596","kind":"arxiv","version":3},"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":"sha256:0882b286935c5162eedb0d612b8471aecbc9074b1c2fb56016a7370a52f470cc","target":"record","created_at":"2026-07-05T00:25:53Z","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":"64ddeab1fe2b9335695c8a5e0e14c4b45d27102214e3b0546007a57d9bb3f2a9","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-04T18:52:59Z","title_canon_sha256":"4356a9e7ba181e86358c87b108ee09c3baa25f862bd3ed32b502f1b7601da98e"},"schema_version":"1.0","source":{"id":"1812.01596","kind":"arxiv","version":3}},"canonical_sha256":"3ee5fb39471a37f1045b2474dd822d53d7361c8bc09262d3d2c7924bc1e9e408","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ee5fb39471a37f1045b2474dd822d53d7361c8bc09262d3d2c7924bc1e9e408","first_computed_at":"2026-07-05T00:25:53.918392Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:25:53.918392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wCbbBSXGDjwAqprJL/aTgKhV4h6ujp4wIMnP66DWEgAmUHrvwkgqxERLBjq727YfCOL2KNOBAtjOYUPYhPYRBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:25:53.918882Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.01596","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0882b286935c5162eedb0d612b8471aecbc9074b1c2fb56016a7370a52f470cc","sha256:f4f2a567c0422c2dcbcf36c4f9f8cf5dbd070ec0d65683e0f41fdf8ed43e4bdb"],"state_sha256":"3c35950089e8a02f750d4595b0b001630f05fb970051b3738d3f475736669978"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MtP/sGxYDm13EI6BYXh0wYFl3ZvYjdYWKdIvjelwlBtaANgAI9A+koHCdeI6+4tGIy0SxcH2kGIauFfVPmXOAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T05:05:58.893764Z","bundle_sha256":"03efdc3845cd05f5c522a668e61505cd8c57b0ff512f82926049a7eca2d08256"}}