{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UG3XMPXL32L3OHH6CGQDTPJXID","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":"faedf2c2d4a20f247e1e890618120f7a870a492b1e4bfb3b3ec1e766c1330188","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2018-09-13T00:14:32Z","title_canon_sha256":"48bff8d82df636dc9e907277ea574f3b4d1eb75eb5c22d68853db05c8c088c28"},"schema_version":"1.0","source":{"id":"1809.04715","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04715","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04715v1","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04715","created_at":"2026-05-18T00:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"UG3XMPXL32L3","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UG3XMPXL32L3OHH6","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UG3XMPXL","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:8ae2f2a3e1b60fd8ee5d72809c84a6ce8be28f3a044a126dfb3d5574fd61ba49","target":"graph","created_at":"2026-05-18T00:05:49Z","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":"The theory of isolated horizon provides a quasi-local framework to study the spacetime geometry in the neighbourhood of the horizon of a black hole in equilibrium without any reference to structures far away from the horizon. While the geometric properties of the Kerr-(A)dS and more general algebraically special solutions have drawn substantial interest recently in the isolated horizon formalism, their horizon metrics have never been written down explicitly in the adapted Bondi-like coordinate system. Following the approach by Krishnan and assuming that the horizon symmetry extends to certain ","authors_text":"Carmen Li, Jerzy lewandowski","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2018-09-13T00:14:32Z","title":"Spacetime near Kerr isolated horizon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04715","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":"sha256:2184668af15fa90e5f566cfe90ea93faf9a290251efda597027b1fa8c495ea22","target":"record","created_at":"2026-05-18T00:05:49Z","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":"faedf2c2d4a20f247e1e890618120f7a870a492b1e4bfb3b3ec1e766c1330188","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2018-09-13T00:14:32Z","title_canon_sha256":"48bff8d82df636dc9e907277ea574f3b4d1eb75eb5c22d68853db05c8c088c28"},"schema_version":"1.0","source":{"id":"1809.04715","kind":"arxiv","version":1}},"canonical_sha256":"a1b7763eebde97b71cfe11a039bd3740c885bbf256e6d04c720bc1aeb0335971","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1b7763eebde97b71cfe11a039bd3740c885bbf256e6d04c720bc1aeb0335971","first_computed_at":"2026-05-18T00:05:49.858236Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:49.858236Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m4xz924VYEc8ZixyEzQEGihoi3DpNbpb/O319bBozP4RjDs9gN+iBLjllLHKOD8L5aEpajFeuHWtmxfB+fdLDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:49.858763Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04715","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2184668af15fa90e5f566cfe90ea93faf9a290251efda597027b1fa8c495ea22","sha256:8ae2f2a3e1b60fd8ee5d72809c84a6ce8be28f3a044a126dfb3d5574fd61ba49"],"state_sha256":"b4d61c16e87ee6e1e558d4b6d1c4b3a67852fb717b0add4d6019c106c4fa1d69"}