{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SMCAX43XDOQRZBNWLM7SVD65ZX","short_pith_number":"pith:SMCAX43X","canonical_record":{"source":{"id":"1410.1486","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-06T18:37:55Z","cross_cats_sorted":[],"title_canon_sha256":"fcfc523d9a778d256489c9c0436934c9b5b3faea4482f2047848a1e15bbb9516","abstract_canon_sha256":"ad895dfefaa87307fe35a268f1ce181a777dff0626344c5230f73d90506e8a22"},"schema_version":"1.0"},"canonical_sha256":"93040bf3771ba11c85b65b3f2a8fddcdf534017b34507bb464ba51af3d3cbeaa","source":{"kind":"arxiv","id":"1410.1486","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.1486","created_at":"2026-05-18T01:34:45Z"},{"alias_kind":"arxiv_version","alias_value":"1410.1486v2","created_at":"2026-05-18T01:34:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.1486","created_at":"2026-05-18T01:34:45Z"},{"alias_kind":"pith_short_12","alias_value":"SMCAX43XDOQR","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SMCAX43XDOQRZBNW","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SMCAX43X","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SMCAX43XDOQRZBNWLM7SVD65ZX","target":"record","payload":{"canonical_record":{"source":{"id":"1410.1486","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-06T18:37:55Z","cross_cats_sorted":[],"title_canon_sha256":"fcfc523d9a778d256489c9c0436934c9b5b3faea4482f2047848a1e15bbb9516","abstract_canon_sha256":"ad895dfefaa87307fe35a268f1ce181a777dff0626344c5230f73d90506e8a22"},"schema_version":"1.0"},"canonical_sha256":"93040bf3771ba11c85b65b3f2a8fddcdf534017b34507bb464ba51af3d3cbeaa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:45.542655Z","signature_b64":"zeZ2iuJ8Kjra01LdYEabAP6k4UWeR4rNP4laQj+iTNAHR7ef/8iO+SKox4oW9EKBVBUlxwoWbH1V7/An27MCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93040bf3771ba11c85b65b3f2a8fddcdf534017b34507bb464ba51af3d3cbeaa","last_reissued_at":"2026-05-18T01:34:45.541910Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:45.541910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.1486","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":"2026-05-18T01:34:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNwa2HNvNGhvHb3/5shxr6I3BUG/GFBY0G28yNvDiSna8a8Octp/5/6c8+XpvxUj15Ur71BUVPEmOHhkAnr0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T07:12:33.815968Z"},"content_sha256":"af60481e4f13890a7bae8176044e279a7a3b5d021feeed077ca96a94c8b18f07","schema_version":"1.0","event_id":"sha256:af60481e4f13890a7bae8176044e279a7a3b5d021feeed077ca96a94c8b18f07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SMCAX43XDOQRZBNWLM7SVD65ZX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Black Hole Thermodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"S. Carlip","submitted_at":"2014-10-06T18:37:55Z","abstract_excerpt":"The discovery in the early 1970s that black holes radiate as black bodies has radically affected our understanding of general relativity, and offered us some early hints about the nature of quantum gravity. In this chapter I will review the discovery of black hole thermodynamics and summarize the many independent ways of obtaining the thermodynamic and (perhaps) statistical mechanical properties of black holes. I will then describe some of the remaining puzzles, including the nature of the quantum microstates, the problem of universality, and the information loss paradox."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.1486","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":"2026-05-18T01:34:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sRcltok7/Ki6GcJc7tsSLRNvBAviwLCn/1hjAplnKLLhrmJ4yMfGPX+BW26uCjEkoc2q7qjbnY/O+IorP2jcAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T07:12:33.816683Z"},"content_sha256":"f05c35f2ae3fb8fd26f43d222d7b2906b9c977ecd7603f5704f7652c3e183e14","schema_version":"1.0","event_id":"sha256:f05c35f2ae3fb8fd26f43d222d7b2906b9c977ecd7603f5704f7652c3e183e14"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SMCAX43XDOQRZBNWLM7SVD65ZX/bundle.json","state_url":"https://pith.science/pith/SMCAX43XDOQRZBNWLM7SVD65ZX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SMCAX43XDOQRZBNWLM7SVD65ZX/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":"2026-06-10T07:12:33Z","links":{"resolver":"https://pith.science/pith/SMCAX43XDOQRZBNWLM7SVD65ZX","bundle":"https://pith.science/pith/SMCAX43XDOQRZBNWLM7SVD65ZX/bundle.json","state":"https://pith.science/pith/SMCAX43XDOQRZBNWLM7SVD65ZX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SMCAX43XDOQRZBNWLM7SVD65ZX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SMCAX43XDOQRZBNWLM7SVD65ZX","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":"ad895dfefaa87307fe35a268f1ce181a777dff0626344c5230f73d90506e8a22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-06T18:37:55Z","title_canon_sha256":"fcfc523d9a778d256489c9c0436934c9b5b3faea4482f2047848a1e15bbb9516"},"schema_version":"1.0","source":{"id":"1410.1486","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.1486","created_at":"2026-05-18T01:34:45Z"},{"alias_kind":"arxiv_version","alias_value":"1410.1486v2","created_at":"2026-05-18T01:34:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.1486","created_at":"2026-05-18T01:34:45Z"},{"alias_kind":"pith_short_12","alias_value":"SMCAX43XDOQR","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SMCAX43XDOQRZBNW","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SMCAX43X","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:f05c35f2ae3fb8fd26f43d222d7b2906b9c977ecd7603f5704f7652c3e183e14","target":"graph","created_at":"2026-05-18T01:34:45Z","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 discovery in the early 1970s that black holes radiate as black bodies has radically affected our understanding of general relativity, and offered us some early hints about the nature of quantum gravity. In this chapter I will review the discovery of black hole thermodynamics and summarize the many independent ways of obtaining the thermodynamic and (perhaps) statistical mechanical properties of black holes. I will then describe some of the remaining puzzles, including the nature of the quantum microstates, the problem of universality, and the information loss paradox.","authors_text":"S. Carlip","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-06T18:37:55Z","title":"Black Hole Thermodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.1486","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:af60481e4f13890a7bae8176044e279a7a3b5d021feeed077ca96a94c8b18f07","target":"record","created_at":"2026-05-18T01:34:45Z","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":"ad895dfefaa87307fe35a268f1ce181a777dff0626344c5230f73d90506e8a22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-10-06T18:37:55Z","title_canon_sha256":"fcfc523d9a778d256489c9c0436934c9b5b3faea4482f2047848a1e15bbb9516"},"schema_version":"1.0","source":{"id":"1410.1486","kind":"arxiv","version":2}},"canonical_sha256":"93040bf3771ba11c85b65b3f2a8fddcdf534017b34507bb464ba51af3d3cbeaa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93040bf3771ba11c85b65b3f2a8fddcdf534017b34507bb464ba51af3d3cbeaa","first_computed_at":"2026-05-18T01:34:45.541910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:45.541910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zeZ2iuJ8Kjra01LdYEabAP6k4UWeR4rNP4laQj+iTNAHR7ef/8iO+SKox4oW9EKBVBUlxwoWbH1V7/An27MCBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:45.542655Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.1486","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af60481e4f13890a7bae8176044e279a7a3b5d021feeed077ca96a94c8b18f07","sha256:f05c35f2ae3fb8fd26f43d222d7b2906b9c977ecd7603f5704f7652c3e183e14"],"state_sha256":"7794796ad5512bff0f23b51b9e5edf6b4c0fd3498aaa8a2877dac8b77eae7d6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZwUhbOwCtiurrZgakGRBLNFZIliB0BUDUdq/25UEZkYcoKbRsyuvR7cZFFQxb9XXxxd49uFqOezSpCrdsZfmAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T07:12:33.821180Z","bundle_sha256":"4267a2203aac3d707ec2f71a8711dcb567b5d2105c870e8cbe5b6d403e74b956"}}