{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:5FMFDDN45GZULKOMVWQNX3VQFP","short_pith_number":"pith:5FMFDDN4","schema_version":"1.0","canonical_sha256":"e958518dbce9b345a9ccada0dbeeb02bed28c01728a6fd4955c1d7065f74c644","source":{"kind":"arxiv","id":"2509.02047","version":1},"attestation_state":"computed","paper":{"title":"Detection of a Higher Harmonic Quasi-normal Mode in the Ringdown Signal of GW231123","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Hai-Tian Wang, Peng-Cheng Li, Shao-Peng Tang, Yi-Zhong Fan","submitted_at":"2025-09-02T07:44:14Z","abstract_excerpt":"The ringdown phase of a gravitational wave signal from a binary black hole merger offers a unique laboratory for testing general relativity in the strong-field regime and probing the properties of the final remnant black hole. In this study, we analyze the ringdown of GW231123 and find strong evidence for a multimode quasinormal spectrum. Our analysis employs two time-domain methodologies: a full Bayesian inference and an enhanced F-statistic framework, which we extend to enable the calculation of Bayesian evidence and the reconstruction of posterior distributions for all model parameters. We "},"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":"2509.02047","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-09-02T07:44:14Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"d6e8bcb4a78333e861432f239a92deaf81ebf90382cb0a3a3bfa7b891c320fba","abstract_canon_sha256":"5ec385ad1ba412a94aeb532802be12d72ed4b35cb8d5a5d20d30fe36c3fd7a20"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:03:13.584671Z","signature_b64":"R3BM19VnSw5AVvCTeSghtolQOsLp+0zFN9TOiWWAZzcZsZVGKBABUaT8HLXVkjv7FWmI24jO/kbxjeE/TU3kBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e958518dbce9b345a9ccada0dbeeb02bed28c01728a6fd4955c1d7065f74c644","last_reissued_at":"2026-07-05T12:03:13.584173Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:03:13.584173Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detection of a Higher Harmonic Quasi-normal Mode in the Ringdown Signal of GW231123","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Hai-Tian Wang, Peng-Cheng Li, Shao-Peng Tang, Yi-Zhong Fan","submitted_at":"2025-09-02T07:44:14Z","abstract_excerpt":"The ringdown phase of a gravitational wave signal from a binary black hole merger offers a unique laboratory for testing general relativity in the strong-field regime and probing the properties of the final remnant black hole. In this study, we analyze the ringdown of GW231123 and find strong evidence for a multimode quasinormal spectrum. Our analysis employs two time-domain methodologies: a full Bayesian inference and an enhanced F-statistic framework, which we extend to enable the calculation of Bayesian evidence and the reconstruction of posterior distributions for all model parameters. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.02047","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2509.02047/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2509.02047","created_at":"2026-07-05T12:03:13.584233+00:00"},{"alias_kind":"arxiv_version","alias_value":"2509.02047v1","created_at":"2026-07-05T12:03:13.584233+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.02047","created_at":"2026-07-05T12:03:13.584233+00:00"},{"alias_kind":"pith_short_12","alias_value":"5FMFDDN45GZU","created_at":"2026-07-05T12:03:13.584233+00:00"},{"alias_kind":"pith_short_16","alias_value":"5FMFDDN45GZULKOM","created_at":"2026-07-05T12:03:13.584233+00:00"},{"alias_kind":"pith_short_8","alias_value":"5FMFDDN4","created_at":"2026-07-05T12:03:13.584233+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":5,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.06677","citing_title":"Foundations of Direct Waves in Schwarzschild Ringdown","ref_index":22,"is_internal_anchor":true},{"citing_arxiv_id":"2512.17550","citing_title":"GW231123: Overlapping Gravitational Wave Signals?","ref_index":22,"is_internal_anchor":false},{"citing_arxiv_id":"2509.14849","citing_title":"A Robust and Efficient F-statistic-based Framework for Consistent Bayesian Inference of Compact Binary Coalescences","ref_index":44,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03576","citing_title":"Ringdown Analysis of GW250114 with Orthonormal Modes","ref_index":67,"is_internal_anchor":false},{"citing_arxiv_id":"2605.05563","citing_title":"How do the LIGO-Virgo-KAGRA's Heavy Black Holes Form? No evidence for core-collapse Intermediate-mass black holes in GWTC-4","ref_index":72,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP","json":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP.json","graph_json":"https://pith.science/api/pith-number/5FMFDDN45GZULKOMVWQNX3VQFP/graph.json","events_json":"https://pith.science/api/pith-number/5FMFDDN45GZULKOMVWQNX3VQFP/events.json","paper":"https://pith.science/paper/5FMFDDN4"},"agent_actions":{"view_html":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP","download_json":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP.json","view_paper":"https://pith.science/paper/5FMFDDN4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2509.02047&json=true","fetch_graph":"https://pith.science/api/pith-number/5FMFDDN45GZULKOMVWQNX3VQFP/graph.json","fetch_events":"https://pith.science/api/pith-number/5FMFDDN45GZULKOMVWQNX3VQFP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP/action/storage_attestation","attest_author":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP/action/author_attestation","sign_citation":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP/action/citation_signature","submit_replication":"https://pith.science/pith/5FMFDDN45GZULKOMVWQNX3VQFP/action/replication_record"}},"created_at":"2026-07-05T12:03:13.584233+00:00","updated_at":"2026-07-05T12:03:13.584233+00:00"}