{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:Q7TEYTUFJURMXLD22T62QIONN5","short_pith_number":"pith:Q7TEYTUF","canonical_record":{"source":{"id":"gr-qc/0202078","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2002-02-21T16:05:25Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"2aa401e017ce56ef43d37c2a9dd4a90376499966a60b47bf4952810e012649e8","abstract_canon_sha256":"757ae5c966c7443fde9505a9da45f48c19aada949335a9ba842c04ea4136f299"},"schema_version":"1.0"},"canonical_sha256":"87e64c4e854d22cbac7ad4fda821cd6f54c4f9db7952c80f32506c98dd4e9f41","source":{"kind":"arxiv","id":"gr-qc/0202078","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0202078","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0202078v1","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0202078","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q7TEYTUFJURM","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"Q7TEYTUFJURMXLD2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"Q7TEYTUF","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:Q7TEYTUFJURMXLD22T62QIONN5","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0202078","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2002-02-21T16:05:25Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"2aa401e017ce56ef43d37c2a9dd4a90376499966a60b47bf4952810e012649e8","abstract_canon_sha256":"757ae5c966c7443fde9505a9da45f48c19aada949335a9ba842c04ea4136f299"},"schema_version":"1.0"},"canonical_sha256":"87e64c4e854d22cbac7ad4fda821cd6f54c4f9db7952c80f32506c98dd4e9f41","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:47.742304Z","signature_b64":"f5leRo/Z2a+i5ljw4ghrSpbWgKdr5AlTyG+kZ+zi+fp599rfS2Q6ppNOpgdEG2wNJDc7pnO00lmgrt/Sq2egBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87e64c4e854d22cbac7ad4fda821cd6f54c4f9db7952c80f32506c98dd4e9f41","last_reissued_at":"2026-05-18T01:06:47.741805Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:47.741805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0202078","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":"2026-05-18T01:06:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZVB12hfDC0Nj3vH5/i0BUO+2nOsL2vg8fVwIafMbLxXXWvRPmlkhG0a57nxSHTQJzGNW7vW9Ru6XF4ZOjovtBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T18:54:55.968892Z"},"content_sha256":"6a9975126134a0b57e6998d619bb732bd402a9484b3e904754734d7faa8a8a63","schema_version":"1.0","event_id":"sha256:6a9975126134a0b57e6998d619bb732bd402a9484b3e904754734d7faa8a8a63"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:Q7TEYTUFJURMXLD22T62QIONN5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermodynamics and/of Horizons: A Comparison of Schwarzschild,RINDLER and desitter Spacetimes","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"T.Padmanabhan","submitted_at":"2002-02-21T16:05:25Z","abstract_excerpt":"The notions of temperature, entropy and `evaporation', usually associated with spacetimes with horizons, are analyzed using general approach and the following results, applicable to different spacetimes, are obtained at one go. (i) The concept of temperature associated with the horizon is derived in a unified manner and is shown to arise from purely kinematic considerations. (ii) QFT near any horizon is mapped to a conformal field theory without introducing concepts from string theory. (iii) For spherically symmetric spacetimes (in D=1+3) with a horizon at r=l, the partition function has the g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0202078","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":"2026-05-18T01:06:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mi99ihxoFfYi3oN3pZ7iPBYD9xgJEUtkEYSrg/iV7MWPtk0jdPspJl3DTuFfKMUl5AkJ4LPZm34X5xrN+Yf0Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T18:54:55.969251Z"},"content_sha256":"bd4fc6d16f62da3ed89a8fa1e029eab4cea99f8d385b7e3850478337f7af35d4","schema_version":"1.0","event_id":"sha256:bd4fc6d16f62da3ed89a8fa1e029eab4cea99f8d385b7e3850478337f7af35d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q7TEYTUFJURMXLD22T62QIONN5/bundle.json","state_url":"https://pith.science/pith/Q7TEYTUFJURMXLD22T62QIONN5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q7TEYTUFJURMXLD22T62QIONN5/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":"2026-08-18T18:54:55Z","links":{"resolver":"https://pith.science/pith/Q7TEYTUFJURMXLD22T62QIONN5","bundle":"https://pith.science/pith/Q7TEYTUFJURMXLD22T62QIONN5/bundle.json","state":"https://pith.science/pith/Q7TEYTUFJURMXLD22T62QIONN5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q7TEYTUFJURMXLD22T62QIONN5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:Q7TEYTUFJURMXLD22T62QIONN5","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":"757ae5c966c7443fde9505a9da45f48c19aada949335a9ba842c04ea4136f299","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2002-02-21T16:05:25Z","title_canon_sha256":"2aa401e017ce56ef43d37c2a9dd4a90376499966a60b47bf4952810e012649e8"},"schema_version":"1.0","source":{"id":"gr-qc/0202078","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0202078","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0202078v1","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0202078","created_at":"2026-05-18T01:06:47Z"},{"alias_kind":"pith_short_12","alias_value":"Q7TEYTUFJURM","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"Q7TEYTUFJURMXLD2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"Q7TEYTUF","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:bd4fc6d16f62da3ed89a8fa1e029eab4cea99f8d385b7e3850478337f7af35d4","target":"graph","created_at":"2026-05-18T01:06:47Z","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 notions of temperature, entropy and `evaporation', usually associated with spacetimes with horizons, are analyzed using general approach and the following results, applicable to different spacetimes, are obtained at one go. (i) The concept of temperature associated with the horizon is derived in a unified manner and is shown to arise from purely kinematic considerations. (ii) QFT near any horizon is mapped to a conformal field theory without introducing concepts from string theory. (iii) For spherically symmetric spacetimes (in D=1+3) with a horizon at r=l, the partition function has the g","authors_text":"T.Padmanabhan","cross_cats":["hep-th"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2002-02-21T16:05:25Z","title":"Thermodynamics and/of Horizons: A Comparison of Schwarzschild,RINDLER and desitter Spacetimes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0202078","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":"sha256:6a9975126134a0b57e6998d619bb732bd402a9484b3e904754734d7faa8a8a63","target":"record","created_at":"2026-05-18T01:06:47Z","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":"757ae5c966c7443fde9505a9da45f48c19aada949335a9ba842c04ea4136f299","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2002-02-21T16:05:25Z","title_canon_sha256":"2aa401e017ce56ef43d37c2a9dd4a90376499966a60b47bf4952810e012649e8"},"schema_version":"1.0","source":{"id":"gr-qc/0202078","kind":"arxiv","version":1}},"canonical_sha256":"87e64c4e854d22cbac7ad4fda821cd6f54c4f9db7952c80f32506c98dd4e9f41","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87e64c4e854d22cbac7ad4fda821cd6f54c4f9db7952c80f32506c98dd4e9f41","first_computed_at":"2026-05-18T01:06:47.741805Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:47.741805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f5leRo/Z2a+i5ljw4ghrSpbWgKdr5AlTyG+kZ+zi+fp599rfS2Q6ppNOpgdEG2wNJDc7pnO00lmgrt/Sq2egBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:47.742304Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0202078","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a9975126134a0b57e6998d619bb732bd402a9484b3e904754734d7faa8a8a63","sha256:bd4fc6d16f62da3ed89a8fa1e029eab4cea99f8d385b7e3850478337f7af35d4"],"state_sha256":"fde8c4aa15a45e5616c55e16b9c88e6a43c2757ceab463981952d73b244bccd1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zcXWS015fRfKzmG2Ze+t/aCpCbf1dGiOxfqawg73NL3dnPVxHjO9/2tG/zS14Pp+Z3R4CRLm364h76bKMp4SDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T18:54:55.971799Z","bundle_sha256":"7547817327fada4d75c716c1effa0921ef657b54bc05072dd2f34936f89dbbc4"}}