{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:W6XP63GDLNRRYUPZWSHINYNECM","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":"416845aeb3ace2d5457a2e680f423b72a76fe7ce01e921d57b0abf6130274a72","cross_cats_sorted":["astro-ph.SR","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-04-07T16:02:22Z","title_canon_sha256":"2e6cbf8c3365b0f4cefcbaa0ea9f12d53973b81cbdb86674903cfc5c594d6e8c"},"schema_version":"1.0","source":{"id":"2504.05215","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.05215","created_at":"2026-07-05T11:28:35Z"},{"alias_kind":"arxiv_version","alias_value":"2504.05215v2","created_at":"2026-07-05T11:28:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.05215","created_at":"2026-07-05T11:28:35Z"},{"alias_kind":"pith_short_12","alias_value":"W6XP63GDLNRR","created_at":"2026-07-05T11:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"W6XP63GDLNRRYUPZ","created_at":"2026-07-05T11:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"W6XP63GD","created_at":"2026-07-05T11:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:05a9d720cecd5931d6d8ffee5f41d50b68a969811be35bf8e9f69049d805a5ce","target":"graph","created_at":"2026-07-05T11:28:35Z","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/2504.05215/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper we study quasinormal modes and absorption cross sections for the $(1+3)$-dimensional Bardeen black hole surrounded by perfect fluid dark matter. Studies of the massless scalar field is already done in \\cite{Sun:2023slzl}. Hence, in this paper we will focus on the massive scalar field perturbations and massless Dirac field perturbations. To compute the quasinormal modes we use the semi-analytical 3rd-order WKB method, which has been shown to be one of the best approaches when the effective potential is adequate and when $n < \\ell$ and $n < \\lambda$. We have also utilized the P\\\"os","authors_text":"\\'Angel Rinc\\'on, Grigoris Panotopoulos, Leonardo Balart, Sharmanthie Fernando","cross_cats":["astro-ph.SR","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-04-07T16:02:22Z","title":"Quasinormal modes and absorption cross-section of a Bardeen black hole surrounded by perfect fluid dark matter in four dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.05215","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:ebedb4a67815c375213ca8eaf67490926e78aba6ccca79cad18b7b468b6a86b2","target":"record","created_at":"2026-07-05T11:28:35Z","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":"416845aeb3ace2d5457a2e680f423b72a76fe7ce01e921d57b0abf6130274a72","cross_cats_sorted":["astro-ph.SR","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-04-07T16:02:22Z","title_canon_sha256":"2e6cbf8c3365b0f4cefcbaa0ea9f12d53973b81cbdb86674903cfc5c594d6e8c"},"schema_version":"1.0","source":{"id":"2504.05215","kind":"arxiv","version":2}},"canonical_sha256":"b7aeff6cc35b631c51f9b48e86e1a41307b8d7da2988efc7874200fa75bb79c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7aeff6cc35b631c51f9b48e86e1a41307b8d7da2988efc7874200fa75bb79c0","first_computed_at":"2026-07-05T11:28:35.709255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:28:35.709255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6LJO4OD6757jwxhMuost4HL0B4yJOJ1E6QAw0BHt0VJv37FCtnrKC5B3Hl7+UiL0+wN+t8BrNF8OR2OwBP5nBg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:28:35.709718Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.05215","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebedb4a67815c375213ca8eaf67490926e78aba6ccca79cad18b7b468b6a86b2","sha256:05a9d720cecd5931d6d8ffee5f41d50b68a969811be35bf8e9f69049d805a5ce"],"state_sha256":"dbaea949a130fd695f4edd31e7ef618131275efc7be9f19d4cedefc0a9db819f"}