{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:A7UJEOHO6SEGMO2UZ2BVMW6XJN","short_pith_number":"pith:A7UJEOHO","canonical_record":{"source":{"id":"1503.08973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-31T09:17:39Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"d67467721e4faa2c1f74a01de8db69ed847d48ee47c4d6dee24facc3dcce20a9","abstract_canon_sha256":"d9150aa3403ed3ff8b7f54b9e1bf8f46ca3837022870504f956428d9f1d2bed6"},"schema_version":"1.0"},"canonical_sha256":"07e89238eef488663b54ce83565bd74b596c380d970f96bdaa7df06bf47e8dfc","source":{"kind":"arxiv","id":"1503.08973","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08973","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08973v2","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08973","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"pith_short_12","alias_value":"A7UJEOHO6SEG","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"A7UJEOHO6SEGMO2U","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"A7UJEOHO","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:A7UJEOHO6SEGMO2UZ2BVMW6XJN","target":"record","payload":{"canonical_record":{"source":{"id":"1503.08973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-31T09:17:39Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"d67467721e4faa2c1f74a01de8db69ed847d48ee47c4d6dee24facc3dcce20a9","abstract_canon_sha256":"d9150aa3403ed3ff8b7f54b9e1bf8f46ca3837022870504f956428d9f1d2bed6"},"schema_version":"1.0"},"canonical_sha256":"07e89238eef488663b54ce83565bd74b596c380d970f96bdaa7df06bf47e8dfc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:39.379528Z","signature_b64":"Rk9V4iXDs7RrVVcunv26l9eZBJPN40Mq7LmF98tBz5aVm30XqD5+KDhM+Z+RjKvVzY/54SkhGI8rMkEkKCkLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07e89238eef488663b54ce83565bd74b596c380d970f96bdaa7df06bf47e8dfc","last_reissued_at":"2026-05-18T01:27:39.379060Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:39.379060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.08973","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":"2026-05-18T01:27:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c2q6mnYmdE9fl9+4wURtfELurDKmPJbfV7h8dqSNxLbHc2pwWeGGT+32vaffqmLQskyQy82mfOwORmA9YAddBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:10:08.404829Z"},"content_sha256":"d3ab22a53d00bb861ba5f015787d7fb23cf583dfd5023ee97601b9e2f171d95e","schema_version":"1.0","event_id":"sha256:d3ab22a53d00bb861ba5f015787d7fb23cf583dfd5023ee97601b9e2f171d95e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:A7UJEOHO6SEGMO2UZ2BVMW6XJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entropy function from the gravitational surface action for an extremal near horizon black hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Bibhas Ranjan Majhi","submitted_at":"2015-03-31T09:17:39Z","abstract_excerpt":"It is often argued that {\\it all the information of a gravitational theory is encoded in the surface term of the action}; which means one can find several physical quantities just from the surface term without incorporating the bulk part of the action. This has been observed in various instances; e.g. derivation of the Einstein's equations, surface term calculated on the horizon leads to entropy, etc. Here I investigate the role of it in the context of entropy function and entropy of extremal near horizon black holes. Considering only the Gibbons-Hawking-York (GHY) surface term to define an en"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08973","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":"2026-05-18T01:27:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oYlJBJnrvwxysZsXg9htCY0a0KsY/aZHZbs4YcviBP0XKn0W5iGk29F0j8yLlyN/QJwQdcX5c2/i27OHNpyEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T22:10:08.405556Z"},"content_sha256":"174315fb00cf5f072c8ec9870107309bdbe46de11349a34bd8a908dbb119d9b9","schema_version":"1.0","event_id":"sha256:174315fb00cf5f072c8ec9870107309bdbe46de11349a34bd8a908dbb119d9b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A7UJEOHO6SEGMO2UZ2BVMW6XJN/bundle.json","state_url":"https://pith.science/pith/A7UJEOHO6SEGMO2UZ2BVMW6XJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A7UJEOHO6SEGMO2UZ2BVMW6XJN/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":"2026-06-11T22:10:08Z","links":{"resolver":"https://pith.science/pith/A7UJEOHO6SEGMO2UZ2BVMW6XJN","bundle":"https://pith.science/pith/A7UJEOHO6SEGMO2UZ2BVMW6XJN/bundle.json","state":"https://pith.science/pith/A7UJEOHO6SEGMO2UZ2BVMW6XJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A7UJEOHO6SEGMO2UZ2BVMW6XJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:A7UJEOHO6SEGMO2UZ2BVMW6XJN","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":"d9150aa3403ed3ff8b7f54b9e1bf8f46ca3837022870504f956428d9f1d2bed6","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-31T09:17:39Z","title_canon_sha256":"d67467721e4faa2c1f74a01de8db69ed847d48ee47c4d6dee24facc3dcce20a9"},"schema_version":"1.0","source":{"id":"1503.08973","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08973","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08973v2","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08973","created_at":"2026-05-18T01:27:39Z"},{"alias_kind":"pith_short_12","alias_value":"A7UJEOHO6SEG","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"A7UJEOHO6SEGMO2U","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"A7UJEOHO","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:174315fb00cf5f072c8ec9870107309bdbe46de11349a34bd8a908dbb119d9b9","target":"graph","created_at":"2026-05-18T01:27:39Z","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":"It is often argued that {\\it all the information of a gravitational theory is encoded in the surface term of the action}; which means one can find several physical quantities just from the surface term without incorporating the bulk part of the action. This has been observed in various instances; e.g. derivation of the Einstein's equations, surface term calculated on the horizon leads to entropy, etc. Here I investigate the role of it in the context of entropy function and entropy of extremal near horizon black holes. Considering only the Gibbons-Hawking-York (GHY) surface term to define an en","authors_text":"Bibhas Ranjan Majhi","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-31T09:17:39Z","title":"Entropy function from the gravitational surface action for an extremal near horizon black hole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08973","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:d3ab22a53d00bb861ba5f015787d7fb23cf583dfd5023ee97601b9e2f171d95e","target":"record","created_at":"2026-05-18T01:27:39Z","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":"d9150aa3403ed3ff8b7f54b9e1bf8f46ca3837022870504f956428d9f1d2bed6","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-31T09:17:39Z","title_canon_sha256":"d67467721e4faa2c1f74a01de8db69ed847d48ee47c4d6dee24facc3dcce20a9"},"schema_version":"1.0","source":{"id":"1503.08973","kind":"arxiv","version":2}},"canonical_sha256":"07e89238eef488663b54ce83565bd74b596c380d970f96bdaa7df06bf47e8dfc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07e89238eef488663b54ce83565bd74b596c380d970f96bdaa7df06bf47e8dfc","first_computed_at":"2026-05-18T01:27:39.379060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:39.379060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rk9V4iXDs7RrVVcunv26l9eZBJPN40Mq7LmF98tBz5aVm30XqD5+KDhM+Z+RjKvVzY/54SkhGI8rMkEkKCkLCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:39.379528Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.08973","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3ab22a53d00bb861ba5f015787d7fb23cf583dfd5023ee97601b9e2f171d95e","sha256:174315fb00cf5f072c8ec9870107309bdbe46de11349a34bd8a908dbb119d9b9"],"state_sha256":"ce6aa8de5fb16d2d790c12b4bae5df5a2a93b619bfcfac827aad5f5e0405cd74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4NKXGBqB3g7Rz14FLZd6jh++Zkq7MQTSV0KOZkrw0uT1qwuHyRZC7CK6mv0AgiJJGQegLytpfb23RtglR1LyCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T22:10:08.409378Z","bundle_sha256":"cfbde5a2a418dc68ce6d6b1ed59289feb0233579b924598c0e053d2420a89276"}}