{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:S4UHUHKL54CL7SZYBQTBMZ2TYO","short_pith_number":"pith:S4UHUHKL","canonical_record":{"source":{"id":"2004.01662","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-04-03T16:29:22Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"1e95689ec51381bbc8b7bd2b876472501fe3d308ddca80a49e41e5075d23f1bc","abstract_canon_sha256":"493e060c6fe8d4530dc66f21ca25a7c67e760befdeb10b34c0b9580d2ccc7d9d"},"schema_version":"1.0"},"canonical_sha256":"97287a1d4bef04bfcb380c26166753c38f99689116d18f53ce6f14ae9c7e16b5","source":{"kind":"arxiv","id":"2004.01662","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.01662","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"arxiv_version","alias_value":"2004.01662v3","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.01662","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"pith_short_12","alias_value":"S4UHUHKL54CL","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"pith_short_16","alias_value":"S4UHUHKL54CL7SZY","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"pith_short_8","alias_value":"S4UHUHKL","created_at":"2026-07-05T02:02:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:S4UHUHKL54CL7SZYBQTBMZ2TYO","target":"record","payload":{"canonical_record":{"source":{"id":"2004.01662","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-04-03T16:29:22Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"1e95689ec51381bbc8b7bd2b876472501fe3d308ddca80a49e41e5075d23f1bc","abstract_canon_sha256":"493e060c6fe8d4530dc66f21ca25a7c67e760befdeb10b34c0b9580d2ccc7d9d"},"schema_version":"1.0"},"canonical_sha256":"97287a1d4bef04bfcb380c26166753c38f99689116d18f53ce6f14ae9c7e16b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:02:52.672422Z","signature_b64":"bOhrOd7Ztzpk1H47lU3htrbTrtp5E9gOq+fFk7jHPL7mubN2l1kdlXovtFFbTFaAKCwSC6Toji7GYEZvEx4xCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97287a1d4bef04bfcb380c26166753c38f99689116d18f53ce6f14ae9c7e16b5","last_reissued_at":"2026-07-05T02:02:52.671952Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:02:52.671952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.01662","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":"2026-07-05T02:02:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PYFX4p+RSDVW7TQCIyjeevodAKxapFAxjOqfIdGi0rU9nyWzc73BIGluR8XezEAOvQD20dLORnueeTQVtLVEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:41:24.716471Z"},"content_sha256":"fcf71ae6c4dee6bc6383bd0f04111f6d7f8968bab63211e0061829a712b80b43","schema_version":"1.0","event_id":"sha256:fcf71ae6c4dee6bc6383bd0f04111f6d7f8968bab63211e0061829a712b80b43"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:S4UHUHKL54CL7SZYBQTBMZ2TYO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thin Accretion Disk around a four-dimensional Einstein-Gauss-Bonnet Black Hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-th"],"primary_cat":"gr-qc","authors_text":"Cheng Liu, Qiang Wu, Tao Zhu","submitted_at":"2020-04-03T16:29:22Z","abstract_excerpt":"Recently a novel four-dimensional Einstein-Gauss-Bonnet (4EGB) theory of gravity was proposed by Glavan and Lin [D. Glavan and C. Lin, Phys. Rev. Lett. 124, 081301 (2020)] which includes a regularized Gauss-Bonnet term by using the re-scaling of the Gauss-Bonnet coupling constant $\\alpha \\to \\alpha/(D-4)$ in the limit $D\\to 4$. This theory also has been reformulated to a specific class of the Horndeski theory with an additional scalar degree of freedom and to a spatial covariant version with a Lagrangian multiplier that can eliminate the scalar mode. Here we study the physical properties of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.01662","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/2004.01662/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":"2026-07-05T02:02:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sVRhAGESat+goZKe7AxckoY1mHKFutGAkM7Ig+6Pz/EUVa08N2EMYIwJaIkbUgq60ocibNxhJ2lpBqvBdAgTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:41:24.716991Z"},"content_sha256":"386185cfe97ace7d28eb941bf990fc1bec7296b9160ee057bad72b2fa081fb6b","schema_version":"1.0","event_id":"sha256:386185cfe97ace7d28eb941bf990fc1bec7296b9160ee057bad72b2fa081fb6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S4UHUHKL54CL7SZYBQTBMZ2TYO/bundle.json","state_url":"https://pith.science/pith/S4UHUHKL54CL7SZYBQTBMZ2TYO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S4UHUHKL54CL7SZYBQTBMZ2TYO/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":"2026-08-09T21:41:24Z","links":{"resolver":"https://pith.science/pith/S4UHUHKL54CL7SZYBQTBMZ2TYO","bundle":"https://pith.science/pith/S4UHUHKL54CL7SZYBQTBMZ2TYO/bundle.json","state":"https://pith.science/pith/S4UHUHKL54CL7SZYBQTBMZ2TYO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S4UHUHKL54CL7SZYBQTBMZ2TYO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:S4UHUHKL54CL7SZYBQTBMZ2TYO","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":"493e060c6fe8d4530dc66f21ca25a7c67e760befdeb10b34c0b9580d2ccc7d9d","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-04-03T16:29:22Z","title_canon_sha256":"1e95689ec51381bbc8b7bd2b876472501fe3d308ddca80a49e41e5075d23f1bc"},"schema_version":"1.0","source":{"id":"2004.01662","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.01662","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"arxiv_version","alias_value":"2004.01662v3","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.01662","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"pith_short_12","alias_value":"S4UHUHKL54CL","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"pith_short_16","alias_value":"S4UHUHKL54CL7SZY","created_at":"2026-07-05T02:02:52Z"},{"alias_kind":"pith_short_8","alias_value":"S4UHUHKL","created_at":"2026-07-05T02:02:52Z"}],"graph_snapshots":[{"event_id":"sha256:386185cfe97ace7d28eb941bf990fc1bec7296b9160ee057bad72b2fa081fb6b","target":"graph","created_at":"2026-07-05T02:02:52Z","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/2004.01662/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently a novel four-dimensional Einstein-Gauss-Bonnet (4EGB) theory of gravity was proposed by Glavan and Lin [D. Glavan and C. Lin, Phys. Rev. Lett. 124, 081301 (2020)] which includes a regularized Gauss-Bonnet term by using the re-scaling of the Gauss-Bonnet coupling constant $\\alpha \\to \\alpha/(D-4)$ in the limit $D\\to 4$. This theory also has been reformulated to a specific class of the Horndeski theory with an additional scalar degree of freedom and to a spatial covariant version with a Lagrangian multiplier that can eliminate the scalar mode. Here we study the physical properties of th","authors_text":"Cheng Liu, Qiang Wu, Tao Zhu","cross_cats":["astro-ph.HE","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-04-03T16:29:22Z","title":"Thin Accretion Disk around a four-dimensional Einstein-Gauss-Bonnet Black Hole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.01662","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:fcf71ae6c4dee6bc6383bd0f04111f6d7f8968bab63211e0061829a712b80b43","target":"record","created_at":"2026-07-05T02:02:52Z","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":"493e060c6fe8d4530dc66f21ca25a7c67e760befdeb10b34c0b9580d2ccc7d9d","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-04-03T16:29:22Z","title_canon_sha256":"1e95689ec51381bbc8b7bd2b876472501fe3d308ddca80a49e41e5075d23f1bc"},"schema_version":"1.0","source":{"id":"2004.01662","kind":"arxiv","version":3}},"canonical_sha256":"97287a1d4bef04bfcb380c26166753c38f99689116d18f53ce6f14ae9c7e16b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97287a1d4bef04bfcb380c26166753c38f99689116d18f53ce6f14ae9c7e16b5","first_computed_at":"2026-07-05T02:02:52.671952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:02:52.671952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bOhrOd7Ztzpk1H47lU3htrbTrtp5E9gOq+fFk7jHPL7mubN2l1kdlXovtFFbTFaAKCwSC6Toji7GYEZvEx4xCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:02:52.672422Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.01662","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcf71ae6c4dee6bc6383bd0f04111f6d7f8968bab63211e0061829a712b80b43","sha256:386185cfe97ace7d28eb941bf990fc1bec7296b9160ee057bad72b2fa081fb6b"],"state_sha256":"ad7de9f5c5331516144ccf5b6c743263eb49a6ee92bc71a07c9ae96625133246"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s72F/KP+KvhxQ0sCvM/xwZsMjTNKZ4JJmA0usWFbm7BxBuBePsqGkS4GUQ85WcADvhLYwlreiq3gd2DCrq+mDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T21:41:24.721252Z","bundle_sha256":"78bcbeb1a9e62550a2bc3c5b8f92c3af7cfd8c8b300cd617128e2a6446cfc31d"}}