{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:AC2DAU7UZ2STZL2X3JHUYBMLIW","short_pith_number":"pith:AC2DAU7U","canonical_record":{"source":{"id":"1304.1160","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-03T20:00:04Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"11e2e60a25ae29e972094d088dea287bc7a7254ceaa99d910c3d56cfb8398923","abstract_canon_sha256":"231e7aecc930520027d87209854a96f55bef26a73266ec3860fa7f4fbc585cdf"},"schema_version":"1.0"},"canonical_sha256":"00b43053f4cea53caf57da4f4c058b458de19f67c8753c684b3c8a22e68abde6","source":{"kind":"arxiv","id":"1304.1160","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.1160","created_at":"2026-05-18T03:20:36Z"},{"alias_kind":"arxiv_version","alias_value":"1304.1160v2","created_at":"2026-05-18T03:20:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.1160","created_at":"2026-05-18T03:20:36Z"},{"alias_kind":"pith_short_12","alias_value":"AC2DAU7UZ2ST","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AC2DAU7UZ2STZL2X","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AC2DAU7U","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:AC2DAU7UZ2STZL2X3JHUYBMLIW","target":"record","payload":{"canonical_record":{"source":{"id":"1304.1160","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-03T20:00:04Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"11e2e60a25ae29e972094d088dea287bc7a7254ceaa99d910c3d56cfb8398923","abstract_canon_sha256":"231e7aecc930520027d87209854a96f55bef26a73266ec3860fa7f4fbc585cdf"},"schema_version":"1.0"},"canonical_sha256":"00b43053f4cea53caf57da4f4c058b458de19f67c8753c684b3c8a22e68abde6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:36.247363Z","signature_b64":"XHk5TYBfAnfZW30aZdF5ox22TUQKMPJJnOiFniUo+WVYA8rSEN5/xdPrd+zXFWVhJCl0X2AWpTzz/OytJZ2pDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00b43053f4cea53caf57da4f4c058b458de19f67c8753c684b3c8a22e68abde6","last_reissued_at":"2026-05-18T03:20:36.246479Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:36.246479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.1160","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":"2026-05-18T03:20:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RYqGqnw4xVwD6uSzknXTB5nLnftmIMhcz2yaq51PFxc0mGg+whQA79OnVIaT8Ue8CgWrEjrSRwUBHGDwkBPpDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T23:41:04.854445Z"},"content_sha256":"a2bd39928ea3b80df4fb642e42dd4981a145f9317139d3c5e20e00c35bb7986f","schema_version":"1.0","event_id":"sha256:a2bd39928ea3b80df4fb642e42dd4981a145f9317139d3c5e20e00c35bb7986f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:AC2DAU7UZ2STZL2X3JHUYBMLIW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravito-Electromagnetic Perturbations of Kerr-Newman Black Holes: Stability and Isospectrality in the Slow-Rotation Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Emanuele Berti, Leonardo Gualtieri, Paolo Pani","submitted_at":"2013-04-03T20:00:04Z","abstract_excerpt":"The most general stationary black-hole solution of Einstein-Maxwell theory in vacuum is the Kerr-Newman metric, specified by three parameters: mass M, spin J and charge Q. Within classical general relativity, the most important and challenging open problem in black-hole perturbation theory is the study of gravitational and electromagnetic fields in the Kerr-Newman geometry, because of the indissoluble coupling of the perturbation functions. Here we circumvent this long-standing problem by working in the slow-rotation limit. We compute the quasinormal modes up to linear order in J for any value"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.1160","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":"2026-05-18T03:20:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qeHwvmEy4aHrOmRm/MV/M1Hg2xIJdnAd0YksDKT07XGGQlJ6puYUb+poIgdXvjQWghE3OkXeoHQBtFAL/VsMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T23:41:04.855099Z"},"content_sha256":"c9aaa768ee369f6a9bc0497cb7fee51112ba7e66f342bb3a5aac6abb4088ee00","schema_version":"1.0","event_id":"sha256:c9aaa768ee369f6a9bc0497cb7fee51112ba7e66f342bb3a5aac6abb4088ee00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AC2DAU7UZ2STZL2X3JHUYBMLIW/bundle.json","state_url":"https://pith.science/pith/AC2DAU7UZ2STZL2X3JHUYBMLIW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AC2DAU7UZ2STZL2X3JHUYBMLIW/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":"2026-05-21T23:41:04Z","links":{"resolver":"https://pith.science/pith/AC2DAU7UZ2STZL2X3JHUYBMLIW","bundle":"https://pith.science/pith/AC2DAU7UZ2STZL2X3JHUYBMLIW/bundle.json","state":"https://pith.science/pith/AC2DAU7UZ2STZL2X3JHUYBMLIW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AC2DAU7UZ2STZL2X3JHUYBMLIW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:AC2DAU7UZ2STZL2X3JHUYBMLIW","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":"231e7aecc930520027d87209854a96f55bef26a73266ec3860fa7f4fbc585cdf","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-03T20:00:04Z","title_canon_sha256":"11e2e60a25ae29e972094d088dea287bc7a7254ceaa99d910c3d56cfb8398923"},"schema_version":"1.0","source":{"id":"1304.1160","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.1160","created_at":"2026-05-18T03:20:36Z"},{"alias_kind":"arxiv_version","alias_value":"1304.1160v2","created_at":"2026-05-18T03:20:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.1160","created_at":"2026-05-18T03:20:36Z"},{"alias_kind":"pith_short_12","alias_value":"AC2DAU7UZ2ST","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AC2DAU7UZ2STZL2X","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AC2DAU7U","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:c9aaa768ee369f6a9bc0497cb7fee51112ba7e66f342bb3a5aac6abb4088ee00","target":"graph","created_at":"2026-05-18T03:20:36Z","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 most general stationary black-hole solution of Einstein-Maxwell theory in vacuum is the Kerr-Newman metric, specified by three parameters: mass M, spin J and charge Q. Within classical general relativity, the most important and challenging open problem in black-hole perturbation theory is the study of gravitational and electromagnetic fields in the Kerr-Newman geometry, because of the indissoluble coupling of the perturbation functions. Here we circumvent this long-standing problem by working in the slow-rotation limit. We compute the quasinormal modes up to linear order in J for any value","authors_text":"Emanuele Berti, Leonardo Gualtieri, Paolo Pani","cross_cats":["hep-th","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-03T20:00:04Z","title":"Gravito-Electromagnetic Perturbations of Kerr-Newman Black Holes: Stability and Isospectrality in the Slow-Rotation Limit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.1160","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:a2bd39928ea3b80df4fb642e42dd4981a145f9317139d3c5e20e00c35bb7986f","target":"record","created_at":"2026-05-18T03:20:36Z","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":"231e7aecc930520027d87209854a96f55bef26a73266ec3860fa7f4fbc585cdf","cross_cats_sorted":["hep-th","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-04-03T20:00:04Z","title_canon_sha256":"11e2e60a25ae29e972094d088dea287bc7a7254ceaa99d910c3d56cfb8398923"},"schema_version":"1.0","source":{"id":"1304.1160","kind":"arxiv","version":2}},"canonical_sha256":"00b43053f4cea53caf57da4f4c058b458de19f67c8753c684b3c8a22e68abde6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00b43053f4cea53caf57da4f4c058b458de19f67c8753c684b3c8a22e68abde6","first_computed_at":"2026-05-18T03:20:36.246479Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:20:36.246479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XHk5TYBfAnfZW30aZdF5ox22TUQKMPJJnOiFniUo+WVYA8rSEN5/xdPrd+zXFWVhJCl0X2AWpTzz/OytJZ2pDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:20:36.247363Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.1160","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2bd39928ea3b80df4fb642e42dd4981a145f9317139d3c5e20e00c35bb7986f","sha256:c9aaa768ee369f6a9bc0497cb7fee51112ba7e66f342bb3a5aac6abb4088ee00"],"state_sha256":"a29fba1a96f01a3fac5614aec0ef34f985ba380f6cc6d4f8306aa9076384f870"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eO8zAWsSQTDa8xQrLS0K4EUX5OcDO6fh+jGFIX6pDOnK939z0mzPwNX0FDjxeptfHKVu+2o5QJ9Zgz6aFzZlAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T23:41:04.858546Z","bundle_sha256":"c404f34f68550621b7abc385d063645943f313f8de2260019ce3bb6f4cc46051"}}