{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NLTEDSVWIJXO32BKNR2R4IQOGI","short_pith_number":"pith:NLTEDSVW","canonical_record":{"source":{"id":"2007.14015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-07-28T06:42:46Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"934c64c4c335f2ae486515dc3e793552acdcfee4db7d143c5b0e1eec34da14d4","abstract_canon_sha256":"10e40e5d1570e1932bcb795b5f7af8db48545d9d788216b9b02b4e5e011cee21"},"schema_version":"1.0"},"canonical_sha256":"6ae641cab6426eede82a6c751e220e320709c828bf32c7efda71abef002a9a06","source":{"kind":"arxiv","id":"2007.14015","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.14015","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"arxiv_version","alias_value":"2007.14015v1","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.14015","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"pith_short_12","alias_value":"NLTEDSVWIJXO","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"pith_short_16","alias_value":"NLTEDSVWIJXO32BK","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"pith_short_8","alias_value":"NLTEDSVW","created_at":"2026-07-05T02:06:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NLTEDSVWIJXO32BKNR2R4IQOGI","target":"record","payload":{"canonical_record":{"source":{"id":"2007.14015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-07-28T06:42:46Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"934c64c4c335f2ae486515dc3e793552acdcfee4db7d143c5b0e1eec34da14d4","abstract_canon_sha256":"10e40e5d1570e1932bcb795b5f7af8db48545d9d788216b9b02b4e5e011cee21"},"schema_version":"1.0"},"canonical_sha256":"6ae641cab6426eede82a6c751e220e320709c828bf32c7efda71abef002a9a06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:06:11.392862Z","signature_b64":"NjDDTr49krmurBhK9IO0Qc2xS3PPDvPsfwDU8MG+wXwcmy3HhELdwzOZC3QiOAeqgBYSpf2ksjeIzXuucj81Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ae641cab6426eede82a6c751e220e320709c828bf32c7efda71abef002a9a06","last_reissued_at":"2026-07-05T02:06:11.392400Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:06:11.392400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.14015","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":"2026-07-05T02:06:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2HqCMiPqCdytfTgPIQZDAtRENf+xp+3z57g8tmOrSOPfE2fvhzsoyPFgp5WBw8M6Ah/NlJjrsYxerGro9aPGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T22:48:02.190471Z"},"content_sha256":"086ff6a6c8664d2d2a849c41740bb61c63c6025b899052454b69d13e489868a7","schema_version":"1.0","event_id":"sha256:086ff6a6c8664d2d2a849c41740bb61c63c6025b899052454b69d13e489868a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NLTEDSVWIJXO32BKNR2R4IQOGI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Covariant entropy bound beyond general relativity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Shinji Mukohyama, Taisuke Matsuda","submitted_at":"2020-07-28T06:42:46Z","abstract_excerpt":"We propose a covariant entropy bound in gravitational theories beyond general relativity (GR), using Wald-Jacobson-Myers entropy instead of Bekenstein-Hawking entropy. We first extend the proof of the bound known in 4-dimensional GR to D-dimensional GR, f(R) gravity and canonical scalar-tensor theory. We then consider Einstein-Gauss-Bonnet (EGB) gravity as a more non-trivial example and, under a set of reasonable assumptions, prove the bound in the GR branch of spherically symmetric configurations. As a corollary, it is shown that under the null and dominant energy conditions, the generalized "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.14015","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/2007.14015/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":"2026-07-05T02:06:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"psILA86NCi9CHiCtcWYC6IwCmhXCOy9KLZ3wxEV5lVAdRG7ATTqLEu8P2gXKtq819eDU+/piW7kuF0YEXd8lAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T22:48:02.190812Z"},"content_sha256":"bfde4e512925b5ab759acdef39ff81de9569602394f7fbf95bbd27c9e474c09b","schema_version":"1.0","event_id":"sha256:bfde4e512925b5ab759acdef39ff81de9569602394f7fbf95bbd27c9e474c09b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NLTEDSVWIJXO32BKNR2R4IQOGI/bundle.json","state_url":"https://pith.science/pith/NLTEDSVWIJXO32BKNR2R4IQOGI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NLTEDSVWIJXO32BKNR2R4IQOGI/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":"2026-08-19T22:48:02Z","links":{"resolver":"https://pith.science/pith/NLTEDSVWIJXO32BKNR2R4IQOGI","bundle":"https://pith.science/pith/NLTEDSVWIJXO32BKNR2R4IQOGI/bundle.json","state":"https://pith.science/pith/NLTEDSVWIJXO32BKNR2R4IQOGI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NLTEDSVWIJXO32BKNR2R4IQOGI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NLTEDSVWIJXO32BKNR2R4IQOGI","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":"10e40e5d1570e1932bcb795b5f7af8db48545d9d788216b9b02b4e5e011cee21","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-07-28T06:42:46Z","title_canon_sha256":"934c64c4c335f2ae486515dc3e793552acdcfee4db7d143c5b0e1eec34da14d4"},"schema_version":"1.0","source":{"id":"2007.14015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.14015","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"arxiv_version","alias_value":"2007.14015v1","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.14015","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"pith_short_12","alias_value":"NLTEDSVWIJXO","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"pith_short_16","alias_value":"NLTEDSVWIJXO32BK","created_at":"2026-07-05T02:06:11Z"},{"alias_kind":"pith_short_8","alias_value":"NLTEDSVW","created_at":"2026-07-05T02:06:11Z"}],"graph_snapshots":[{"event_id":"sha256:bfde4e512925b5ab759acdef39ff81de9569602394f7fbf95bbd27c9e474c09b","target":"graph","created_at":"2026-07-05T02:06:11Z","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/2007.14015/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a covariant entropy bound in gravitational theories beyond general relativity (GR), using Wald-Jacobson-Myers entropy instead of Bekenstein-Hawking entropy. We first extend the proof of the bound known in 4-dimensional GR to D-dimensional GR, f(R) gravity and canonical scalar-tensor theory. We then consider Einstein-Gauss-Bonnet (EGB) gravity as a more non-trivial example and, under a set of reasonable assumptions, prove the bound in the GR branch of spherically symmetric configurations. As a corollary, it is shown that under the null and dominant energy conditions, the generalized ","authors_text":"Shinji Mukohyama, Taisuke Matsuda","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-07-28T06:42:46Z","title":"Covariant entropy bound beyond general relativity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.14015","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":"sha256:086ff6a6c8664d2d2a849c41740bb61c63c6025b899052454b69d13e489868a7","target":"record","created_at":"2026-07-05T02:06:11Z","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":"10e40e5d1570e1932bcb795b5f7af8db48545d9d788216b9b02b4e5e011cee21","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-07-28T06:42:46Z","title_canon_sha256":"934c64c4c335f2ae486515dc3e793552acdcfee4db7d143c5b0e1eec34da14d4"},"schema_version":"1.0","source":{"id":"2007.14015","kind":"arxiv","version":1}},"canonical_sha256":"6ae641cab6426eede82a6c751e220e320709c828bf32c7efda71abef002a9a06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ae641cab6426eede82a6c751e220e320709c828bf32c7efda71abef002a9a06","first_computed_at":"2026-07-05T02:06:11.392400Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:06:11.392400Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NjDDTr49krmurBhK9IO0Qc2xS3PPDvPsfwDU8MG+wXwcmy3HhELdwzOZC3QiOAeqgBYSpf2ksjeIzXuucj81Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:06:11.392862Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.14015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:086ff6a6c8664d2d2a849c41740bb61c63c6025b899052454b69d13e489868a7","sha256:bfde4e512925b5ab759acdef39ff81de9569602394f7fbf95bbd27c9e474c09b"],"state_sha256":"2adafd16e1e8ac2557cabc7eab11cda6b6e629d69962cbc2083dbb59d14510b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EupAz5ZbcV3MD50DIEKfpNpWuvlFiDDE2y91nPRGOk02xRyMAeWuae3XSP6LRaHe6zAMwIgywiOCh97WHQivDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T22:48:02.194578Z","bundle_sha256":"3915fcc3b69f2ea21dfa8e0b97a26d6ea00099f11ed16693d0fb74c5d3162394"}}