{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:WAINCJOCALPWZSO6TMW7M7V7LP","short_pith_number":"pith:WAINCJOC","canonical_record":{"source":{"id":"1401.0528","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-02T20:51:02Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"4b9ab8295d3467badfedc76c70b25acb7e4446ab40dc75df6d02c52f668bfd2e","abstract_canon_sha256":"6c85c26b745232dc4b3f5a3d41f8ca73c39dbe50c26261e26818997db813d77e"},"schema_version":"1.0"},"canonical_sha256":"b010d125c202df6cc9de9b2df67ebf5bff75aa03549e6b28c0407d9aae08d45a","source":{"kind":"arxiv","id":"1401.0528","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0528","created_at":"2026-05-18T02:50:51Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0528v2","created_at":"2026-05-18T02:50:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0528","created_at":"2026-05-18T02:50:51Z"},{"alias_kind":"pith_short_12","alias_value":"WAINCJOCALPW","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WAINCJOCALPWZSO6","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WAINCJOC","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:WAINCJOCALPWZSO6TMW7M7V7LP","target":"record","payload":{"canonical_record":{"source":{"id":"1401.0528","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-02T20:51:02Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"4b9ab8295d3467badfedc76c70b25acb7e4446ab40dc75df6d02c52f668bfd2e","abstract_canon_sha256":"6c85c26b745232dc4b3f5a3d41f8ca73c39dbe50c26261e26818997db813d77e"},"schema_version":"1.0"},"canonical_sha256":"b010d125c202df6cc9de9b2df67ebf5bff75aa03549e6b28c0407d9aae08d45a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:51.649972Z","signature_b64":"Z44z+fI1fpFVFkzE/sVIG4RkCP2S5ESTVuEXNIsd2D4288NvGXtaFJ1e61+LquT6bQWFhgWwTcOFAL/jr7NuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b010d125c202df6cc9de9b2df67ebf5bff75aa03549e6b28c0407d9aae08d45a","last_reissued_at":"2026-05-18T02:50:51.649403Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:51.649403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.0528","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":"2026-05-18T02:50:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cikNQc66fiPXdzcbXmc6GLQthEdRr+LHLH8Lr1p8S6rU+jaQq11azy9zZwKxe6sTQnSVpMxDIFVlDHJd4QAFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:27:56.990451Z"},"content_sha256":"6fc03dee027f58a9082117c13c94707fd47063a40426f9a3ab1659b80c5fa1af","schema_version":"1.0","event_id":"sha256:6fc03dee027f58a9082117c13c94707fd47063a40426f9a3ab1659b80c5fa1af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:WAINCJOCALPWZSO6TMW7M7V7LP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On generic parametrizations of spinning black-hole geometries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Joao Rico, Paolo Pani, Vitor Cardoso","submitted_at":"2014-01-02T20:51:02Z","abstract_excerpt":"The construction of a generic parametrization of spinning geometries which can be matched continuously to the Kerr metric is an important open problem in General Relativity. Its resolution is more than of academic interest, as it allows to parametrize and quantify possible deviations from the no-hair theorem. Various approaches to the problem have been proposed, all with their own (severe) limitations. Here we discuss the metric recently proposed by Johannsen and Psaltis, showing that (i) the original metric describes only corrections that preserve the horizon area-mass relation of nonspinning"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0528","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":"2026-05-18T02:50:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k81yooEXOZNfV2ZpyXBnywOqtOiwxSTcOrFkDwTRFkNDy9cbu5qBEIT53A97Elaopj/Bg3HRxmuBE1mCjaCRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:27:56.990807Z"},"content_sha256":"f7a95904713c5716d66de77ff0c4885e1c40f9c62229a801b15926493121a659","schema_version":"1.0","event_id":"sha256:f7a95904713c5716d66de77ff0c4885e1c40f9c62229a801b15926493121a659"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WAINCJOCALPWZSO6TMW7M7V7LP/bundle.json","state_url":"https://pith.science/pith/WAINCJOCALPWZSO6TMW7M7V7LP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WAINCJOCALPWZSO6TMW7M7V7LP/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":"2026-06-04T21:27:56Z","links":{"resolver":"https://pith.science/pith/WAINCJOCALPWZSO6TMW7M7V7LP","bundle":"https://pith.science/pith/WAINCJOCALPWZSO6TMW7M7V7LP/bundle.json","state":"https://pith.science/pith/WAINCJOCALPWZSO6TMW7M7V7LP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WAINCJOCALPWZSO6TMW7M7V7LP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WAINCJOCALPWZSO6TMW7M7V7LP","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":"6c85c26b745232dc4b3f5a3d41f8ca73c39dbe50c26261e26818997db813d77e","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-02T20:51:02Z","title_canon_sha256":"4b9ab8295d3467badfedc76c70b25acb7e4446ab40dc75df6d02c52f668bfd2e"},"schema_version":"1.0","source":{"id":"1401.0528","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0528","created_at":"2026-05-18T02:50:51Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0528v2","created_at":"2026-05-18T02:50:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0528","created_at":"2026-05-18T02:50:51Z"},{"alias_kind":"pith_short_12","alias_value":"WAINCJOCALPW","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WAINCJOCALPWZSO6","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WAINCJOC","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:f7a95904713c5716d66de77ff0c4885e1c40f9c62229a801b15926493121a659","target":"graph","created_at":"2026-05-18T02:50:51Z","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 construction of a generic parametrization of spinning geometries which can be matched continuously to the Kerr metric is an important open problem in General Relativity. Its resolution is more than of academic interest, as it allows to parametrize and quantify possible deviations from the no-hair theorem. Various approaches to the problem have been proposed, all with their own (severe) limitations. Here we discuss the metric recently proposed by Johannsen and Psaltis, showing that (i) the original metric describes only corrections that preserve the horizon area-mass relation of nonspinning","authors_text":"Joao Rico, Paolo Pani, Vitor Cardoso","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-02T20:51:02Z","title":"On generic parametrizations of spinning black-hole geometries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0528","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":"sha256:6fc03dee027f58a9082117c13c94707fd47063a40426f9a3ab1659b80c5fa1af","target":"record","created_at":"2026-05-18T02:50:51Z","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":"6c85c26b745232dc4b3f5a3d41f8ca73c39dbe50c26261e26818997db813d77e","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-02T20:51:02Z","title_canon_sha256":"4b9ab8295d3467badfedc76c70b25acb7e4446ab40dc75df6d02c52f668bfd2e"},"schema_version":"1.0","source":{"id":"1401.0528","kind":"arxiv","version":2}},"canonical_sha256":"b010d125c202df6cc9de9b2df67ebf5bff75aa03549e6b28c0407d9aae08d45a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b010d125c202df6cc9de9b2df67ebf5bff75aa03549e6b28c0407d9aae08d45a","first_computed_at":"2026-05-18T02:50:51.649403Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:51.649403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z44z+fI1fpFVFkzE/sVIG4RkCP2S5ESTVuEXNIsd2D4288NvGXtaFJ1e61+LquT6bQWFhgWwTcOFAL/jr7NuAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:51.649972Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.0528","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6fc03dee027f58a9082117c13c94707fd47063a40426f9a3ab1659b80c5fa1af","sha256:f7a95904713c5716d66de77ff0c4885e1c40f9c62229a801b15926493121a659"],"state_sha256":"e060c3c7a240e93037fd75f94dc2644c073053d1d430076e1022816029b67e60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W9lIPGU9IR/bG7WqBOD/PMNA0UcBVNIKJYLIVcDCzq6nP+2uZOqpa9sLHq03s1UuYTMXkebEZfz7uroHX26TCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:27:56.992813Z","bundle_sha256":"d45687656a6fc87d6b103997509aa0fe1b46ae906247922c23b2150188caaf5d"}}