{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:IR265WQUFDRUP2H5AI577LPVPI","short_pith_number":"pith:IR265WQU","schema_version":"1.0","canonical_sha256":"4475eeda1428e347e8fd023bffadf57a036a9634cba2bc09cf991fd527822cc6","source":{"kind":"arxiv","id":"1303.3143","version":2},"attestation_state":"computed","paper":{"title":"On Quasinormal Modes for Gravitational Perturbations of Bardeen Black Hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"S. C. Ulhoa","submitted_at":"2013-03-13T12:41:27Z","abstract_excerpt":"In this paper we investigate gravitational perturbations of a regular black hole, particularly Bardeen solution. Such system is solution of Einstein equations that do not have a singularity at the origin of the radial symmetry. However it still have events horizons depending on the values of the characteristic parameters of the solution. When a black hole is perturbed, it oscillates. It gives rise to damped vibrating modes which are known as quasinormal modes. It is calculated the quasinormal frequencies of a regular black hole using the third order WKB approximation for gravitational perturba"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1303.3143","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-03-13T12:41:27Z","cross_cats_sorted":[],"title_canon_sha256":"b19960f8a3b5f5518cdae3b4641174e317512ca0a2f5f8002e22f65cfc527e11","abstract_canon_sha256":"a17a600f74144d7a9347abe547b676034f9960412a7c481a4b65cb5e30343e2d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:47:31.615777Z","signature_b64":"LFjOe1uY8QoU/YYZwap+FPKGse+GR51WdZKxblDh0/RzPqTK3qTSALXJcS9oDF/roARmbPA6CcWGreGMs3mQDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4475eeda1428e347e8fd023bffadf57a036a9634cba2bc09cf991fd527822cc6","last_reissued_at":"2026-05-18T02:47:31.615125Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:47:31.615125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On Quasinormal Modes for Gravitational Perturbations of Bardeen Black Hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"S. C. Ulhoa","submitted_at":"2013-03-13T12:41:27Z","abstract_excerpt":"In this paper we investigate gravitational perturbations of a regular black hole, particularly Bardeen solution. Such system is solution of Einstein equations that do not have a singularity at the origin of the radial symmetry. However it still have events horizons depending on the values of the characteristic parameters of the solution. When a black hole is perturbed, it oscillates. It gives rise to damped vibrating modes which are known as quasinormal modes. It is calculated the quasinormal frequencies of a regular black hole using the third order WKB approximation for gravitational perturba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.3143","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1303.3143","created_at":"2026-05-18T02:47:31.615221+00:00"},{"alias_kind":"arxiv_version","alias_value":"1303.3143v2","created_at":"2026-05-18T02:47:31.615221+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.3143","created_at":"2026-05-18T02:47:31.615221+00:00"},{"alias_kind":"pith_short_12","alias_value":"IR265WQUFDRU","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_16","alias_value":"IR265WQUFDRUP2H5","created_at":"2026-05-18T12:27:49.015174+00:00"},{"alias_kind":"pith_short_8","alias_value":"IR265WQU","created_at":"2026-05-18T12:27:49.015174+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI","json":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI.json","graph_json":"https://pith.science/api/pith-number/IR265WQUFDRUP2H5AI577LPVPI/graph.json","events_json":"https://pith.science/api/pith-number/IR265WQUFDRUP2H5AI577LPVPI/events.json","paper":"https://pith.science/paper/IR265WQU"},"agent_actions":{"view_html":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI","download_json":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI.json","view_paper":"https://pith.science/paper/IR265WQU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1303.3143&json=true","fetch_graph":"https://pith.science/api/pith-number/IR265WQUFDRUP2H5AI577LPVPI/graph.json","fetch_events":"https://pith.science/api/pith-number/IR265WQUFDRUP2H5AI577LPVPI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI/action/storage_attestation","attest_author":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI/action/author_attestation","sign_citation":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI/action/citation_signature","submit_replication":"https://pith.science/pith/IR265WQUFDRUP2H5AI577LPVPI/action/replication_record"}},"created_at":"2026-05-18T02:47:31.615221+00:00","updated_at":"2026-05-18T02:47:31.615221+00:00"}