{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6236KEMWSKKVEOWQCV6KLJQ4YP","short_pith_number":"pith:6236KEMW","canonical_record":{"source":{"id":"1701.00226","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-01-01T11:21:17Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"0343721043d405f633bc8a5848e174bc345551232a07da5d4e6bf76850901755","abstract_canon_sha256":"d7b1bbd1a77bdb8193672047a79bb04fae11fe4a3cfbf21746243896331b51a5"},"schema_version":"1.0"},"canonical_sha256":"f6b7e511969295523ad0157ca5a61cc3f537ad4ced3224392128f8582ca864e5","source":{"kind":"arxiv","id":"1701.00226","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.00226","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1701.00226v2","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00226","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"6236KEMWSKKV","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6236KEMWSKKVEOWQ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6236KEMW","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6236KEMWSKKVEOWQCV6KLJQ4YP","target":"record","payload":{"canonical_record":{"source":{"id":"1701.00226","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-01-01T11:21:17Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"0343721043d405f633bc8a5848e174bc345551232a07da5d4e6bf76850901755","abstract_canon_sha256":"d7b1bbd1a77bdb8193672047a79bb04fae11fe4a3cfbf21746243896331b51a5"},"schema_version":"1.0"},"canonical_sha256":"f6b7e511969295523ad0157ca5a61cc3f537ad4ced3224392128f8582ca864e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:07.278495Z","signature_b64":"nPp+lrTnwA+nH19BAgMpoX5XOx18hl5R3VSWrtgKPrmTRDtR/UC2kMG7h2Hl9+DhjPWOh9FPdf+57/7wJkDPAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6b7e511969295523ad0157ca5a61cc3f537ad4ced3224392128f8582ca864e5","last_reissued_at":"2026-05-18T00:11:07.277785Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:07.277785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.00226","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":"2026-05-18T00:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PwS0A1+26rshromBiNdpFFs9Hil+NEo+tIg8Sv47KRBndQ8p4Xv3uTBLFWDqLCDoh+4X9wgyQcJ8eYgdqg1ZCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:20:58.134529Z"},"content_sha256":"ed8af1a711ccdcca08ac02058e8077bf98817dcb0ff054b7acb6e3413d4902eb","schema_version":"1.0","event_id":"sha256:ed8af1a711ccdcca08ac02058e8077bf98817dcb0ff054b7acb6e3413d4902eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6236KEMWSKKVEOWQCV6KLJQ4YP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing conformal gravity with astrophysical black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Cosimo Bambi, Leonardo Modesto, Zheng Cao","submitted_at":"2017-01-01T11:21:17Z","abstract_excerpt":"Weyl conformal symmetry can solve the problem the spacetime singularities present in Einstein's gravity. In a recent paper, two of us have found a singularity-free rotating black hole solution in conformal gravity. In addition to the mass $M$ and the spin angular momentum $J$ of the black hole, the new solution has a new parameter, $L$, which here we consider to be proportional to the black hole mass. Since the solution is conformally equivalent to the Kerr metric, photon trajectories are unchanged, while the structure of an accretion disk around a black hole is affected by the value of the pa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00226","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":"2026-05-18T00:11:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nv4UukGLof67jWgdWQaj5EPKaPXdhuYDthY0baNOm5S4+mIgB7aGfI4vyyfg0/1BqyH6bBAkquUQUkFAZKhFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:20:58.135193Z"},"content_sha256":"f3abd46c0f8916601656af4a1e70749389858f2cb274320cda2d0eca85c2c4e2","schema_version":"1.0","event_id":"sha256:f3abd46c0f8916601656af4a1e70749389858f2cb274320cda2d0eca85c2c4e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6236KEMWSKKVEOWQCV6KLJQ4YP/bundle.json","state_url":"https://pith.science/pith/6236KEMWSKKVEOWQCV6KLJQ4YP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6236KEMWSKKVEOWQCV6KLJQ4YP/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":"2026-05-25T18:20:58Z","links":{"resolver":"https://pith.science/pith/6236KEMWSKKVEOWQCV6KLJQ4YP","bundle":"https://pith.science/pith/6236KEMWSKKVEOWQCV6KLJQ4YP/bundle.json","state":"https://pith.science/pith/6236KEMWSKKVEOWQCV6KLJQ4YP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6236KEMWSKKVEOWQCV6KLJQ4YP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6236KEMWSKKVEOWQCV6KLJQ4YP","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":"d7b1bbd1a77bdb8193672047a79bb04fae11fe4a3cfbf21746243896331b51a5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-01-01T11:21:17Z","title_canon_sha256":"0343721043d405f633bc8a5848e174bc345551232a07da5d4e6bf76850901755"},"schema_version":"1.0","source":{"id":"1701.00226","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.00226","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"arxiv_version","alias_value":"1701.00226v2","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00226","created_at":"2026-05-18T00:11:07Z"},{"alias_kind":"pith_short_12","alias_value":"6236KEMWSKKV","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6236KEMWSKKVEOWQ","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6236KEMW","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:f3abd46c0f8916601656af4a1e70749389858f2cb274320cda2d0eca85c2c4e2","target":"graph","created_at":"2026-05-18T00:11:07Z","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":"Weyl conformal symmetry can solve the problem the spacetime singularities present in Einstein's gravity. In a recent paper, two of us have found a singularity-free rotating black hole solution in conformal gravity. In addition to the mass $M$ and the spin angular momentum $J$ of the black hole, the new solution has a new parameter, $L$, which here we consider to be proportional to the black hole mass. Since the solution is conformally equivalent to the Kerr metric, photon trajectories are unchanged, while the structure of an accretion disk around a black hole is affected by the value of the pa","authors_text":"Cosimo Bambi, Leonardo Modesto, Zheng Cao","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-01-01T11:21:17Z","title":"Testing conformal gravity with astrophysical black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00226","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:ed8af1a711ccdcca08ac02058e8077bf98817dcb0ff054b7acb6e3413d4902eb","target":"record","created_at":"2026-05-18T00:11:07Z","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":"d7b1bbd1a77bdb8193672047a79bb04fae11fe4a3cfbf21746243896331b51a5","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-01-01T11:21:17Z","title_canon_sha256":"0343721043d405f633bc8a5848e174bc345551232a07da5d4e6bf76850901755"},"schema_version":"1.0","source":{"id":"1701.00226","kind":"arxiv","version":2}},"canonical_sha256":"f6b7e511969295523ad0157ca5a61cc3f537ad4ced3224392128f8582ca864e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6b7e511969295523ad0157ca5a61cc3f537ad4ced3224392128f8582ca864e5","first_computed_at":"2026-05-18T00:11:07.277785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:07.277785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nPp+lrTnwA+nH19BAgMpoX5XOx18hl5R3VSWrtgKPrmTRDtR/UC2kMG7h2Hl9+DhjPWOh9FPdf+57/7wJkDPAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:07.278495Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.00226","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed8af1a711ccdcca08ac02058e8077bf98817dcb0ff054b7acb6e3413d4902eb","sha256:f3abd46c0f8916601656af4a1e70749389858f2cb274320cda2d0eca85c2c4e2"],"state_sha256":"3f42e53a8ae686412e45625bb10079b1ba67acb388b06a206620178ccb8cbe61"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SIux+bNBwtWNPUYg68lCd5no6+uQmOZ0ZNTRUOsDMnhgcXdUJG6QcYc6JQIdHzvzBA7kTgrwObep6f0/3/wzAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:20:58.139276Z","bundle_sha256":"595865afe0f818cb9c84c895eb9852c2863f9a2430db7dfd3a4409c2487d864f"}}