{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:7FO4KZYTR5BOM7DKFKDUCLBJYB","short_pith_number":"pith:7FO4KZYT","canonical_record":{"source":{"id":"2006.06461","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-06-11T14:14:52Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"1dc2edc10724361e5b9a34f57400170af0aa47b952079d5c4426d1093bd41276","abstract_canon_sha256":"9ec5cb495d12c17101494fd7ec974431951cc245f2f4240ec95dcab801713e87"},"schema_version":"1.0"},"canonical_sha256":"f95dc567138f42e67c6a2a87412c29c07fc8c4dead4c90c98593c191e67366d2","source":{"kind":"arxiv","id":"2006.06461","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.06461","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"arxiv_version","alias_value":"2006.06461v3","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.06461","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"pith_short_12","alias_value":"7FO4KZYTR5BO","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"pith_short_16","alias_value":"7FO4KZYTR5BOM7DK","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"pith_short_8","alias_value":"7FO4KZYT","created_at":"2026-07-05T02:04:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:7FO4KZYTR5BOM7DKFKDUCLBJYB","target":"record","payload":{"canonical_record":{"source":{"id":"2006.06461","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-06-11T14:14:52Z","cross_cats_sorted":["astro-ph.HE","hep-th"],"title_canon_sha256":"1dc2edc10724361e5b9a34f57400170af0aa47b952079d5c4426d1093bd41276","abstract_canon_sha256":"9ec5cb495d12c17101494fd7ec974431951cc245f2f4240ec95dcab801713e87"},"schema_version":"1.0"},"canonical_sha256":"f95dc567138f42e67c6a2a87412c29c07fc8c4dead4c90c98593c191e67366d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:04:57.289956Z","signature_b64":"6WKkesINoPwmcg15gsXkJmEKk9qiI0R7PdjcSF3h3otGcjoBywOVCdVs3wQ+zaSPZm9DfzyWLIoEmyH3G0sODw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f95dc567138f42e67c6a2a87412c29c07fc8c4dead4c90c98593c191e67366d2","last_reissued_at":"2026-07-05T02:04:57.289408Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:04:57.289408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2006.06461","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":"2026-07-05T02:04:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"78tF3c3u+p9m8+74f7Sr9ZMXTtOcg/16IXT6A9sgdGe3JfNdKZmOdOwGkFpFW/gG+I7AR6P0sZRYZeWDKyvXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T02:30:38.100679Z"},"content_sha256":"8f22482a9ae475fb39f670a242b4a3b00565e37a7c7348740e675a79ba816055","schema_version":"1.0","event_id":"sha256:8f22482a9ae475fb39f670a242b4a3b00565e37a7c7348740e675a79ba816055"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:7FO4KZYTR5BOM7DKFKDUCLBJYB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disforming the Kerr metric","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-th"],"primary_cat":"gr-qc","authors_text":"Christos Charmousis, Eugeny Babichev, Mokhtar Hassaine, Timothy Anson","submitted_at":"2020-06-11T14:14:52Z","abstract_excerpt":"Starting from a recently constructed stealth Kerr solution of higher order scalar tensor theory involving scalar hair, we analytically construct disformal versions of the Kerr spacetime with a constant degree of disformality and a regular scalar field. While the disformed metric has only a ring singularity and asymptotically is quite similar to Kerr, it is found to be neither Ricci flat nor circular. Non-circularity has far reaching consequences on the structure of the solution. As we approach the rotating compact object from asymptotic infinity we find a static limit ergosurface similar to th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.06461","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/2006.06461/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":"2026-07-05T02:04:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BiRbTOyiZGKtwKvc1y1jU5t8GrxXm/mq1nhZZ0emumr6E2b04TKqxRFPV/m7o/9bKyTOOMnJmrRnhRf0MOcmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T02:30:38.101435Z"},"content_sha256":"d005d1c8fbee5d704cff27445acc6fa13a61a8295ac26db5c7e6a1350d859560","schema_version":"1.0","event_id":"sha256:d005d1c8fbee5d704cff27445acc6fa13a61a8295ac26db5c7e6a1350d859560"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7FO4KZYTR5BOM7DKFKDUCLBJYB/bundle.json","state_url":"https://pith.science/pith/7FO4KZYTR5BOM7DKFKDUCLBJYB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7FO4KZYTR5BOM7DKFKDUCLBJYB/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":"2026-08-07T02:30:38Z","links":{"resolver":"https://pith.science/pith/7FO4KZYTR5BOM7DKFKDUCLBJYB","bundle":"https://pith.science/pith/7FO4KZYTR5BOM7DKFKDUCLBJYB/bundle.json","state":"https://pith.science/pith/7FO4KZYTR5BOM7DKFKDUCLBJYB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7FO4KZYTR5BOM7DKFKDUCLBJYB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:7FO4KZYTR5BOM7DKFKDUCLBJYB","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":"9ec5cb495d12c17101494fd7ec974431951cc245f2f4240ec95dcab801713e87","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-06-11T14:14:52Z","title_canon_sha256":"1dc2edc10724361e5b9a34f57400170af0aa47b952079d5c4426d1093bd41276"},"schema_version":"1.0","source":{"id":"2006.06461","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.06461","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"arxiv_version","alias_value":"2006.06461v3","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.06461","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"pith_short_12","alias_value":"7FO4KZYTR5BO","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"pith_short_16","alias_value":"7FO4KZYTR5BOM7DK","created_at":"2026-07-05T02:04:57Z"},{"alias_kind":"pith_short_8","alias_value":"7FO4KZYT","created_at":"2026-07-05T02:04:57Z"}],"graph_snapshots":[{"event_id":"sha256:d005d1c8fbee5d704cff27445acc6fa13a61a8295ac26db5c7e6a1350d859560","target":"graph","created_at":"2026-07-05T02:04:57Z","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/2006.06461/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Starting from a recently constructed stealth Kerr solution of higher order scalar tensor theory involving scalar hair, we analytically construct disformal versions of the Kerr spacetime with a constant degree of disformality and a regular scalar field. While the disformed metric has only a ring singularity and asymptotically is quite similar to Kerr, it is found to be neither Ricci flat nor circular. Non-circularity has far reaching consequences on the structure of the solution. As we approach the rotating compact object from asymptotic infinity we find a static limit ergosurface similar to th","authors_text":"Christos Charmousis, Eugeny Babichev, Mokhtar Hassaine, Timothy Anson","cross_cats":["astro-ph.HE","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-06-11T14:14:52Z","title":"Disforming the Kerr metric"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.06461","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":"sha256:8f22482a9ae475fb39f670a242b4a3b00565e37a7c7348740e675a79ba816055","target":"record","created_at":"2026-07-05T02:04:57Z","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":"9ec5cb495d12c17101494fd7ec974431951cc245f2f4240ec95dcab801713e87","cross_cats_sorted":["astro-ph.HE","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-06-11T14:14:52Z","title_canon_sha256":"1dc2edc10724361e5b9a34f57400170af0aa47b952079d5c4426d1093bd41276"},"schema_version":"1.0","source":{"id":"2006.06461","kind":"arxiv","version":3}},"canonical_sha256":"f95dc567138f42e67c6a2a87412c29c07fc8c4dead4c90c98593c191e67366d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f95dc567138f42e67c6a2a87412c29c07fc8c4dead4c90c98593c191e67366d2","first_computed_at":"2026-07-05T02:04:57.289408Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:04:57.289408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6WKkesINoPwmcg15gsXkJmEKk9qiI0R7PdjcSF3h3otGcjoBywOVCdVs3wQ+zaSPZm9DfzyWLIoEmyH3G0sODw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:04:57.289956Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.06461","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f22482a9ae475fb39f670a242b4a3b00565e37a7c7348740e675a79ba816055","sha256:d005d1c8fbee5d704cff27445acc6fa13a61a8295ac26db5c7e6a1350d859560"],"state_sha256":"7ec1ba16dca7933368e133f4075ed352efff478664b3ee5f50c1b5a7c2a8d3d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QuL2XnCEDWYmYTsK2Ts0DJzp8V0HNlFmECH/rWE2iIfbH/UhdS4Ur5VPKiXVAEvlV/qlpPhQb5OTUhVceHEAAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T02:30:38.108021Z","bundle_sha256":"7e0b23de93efc4cd9e8ee380c42bec3a64c6afd7bdc0d42bc403c79ec8f3dc8b"}}