{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:Q6BEAJRTOF5OEPEKTMAYVICWG5","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":"d51696101d14c8ceede18b2a366109b4b5e6368c37271118603bfe75f7f61b2f","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-05T13:24:49Z","title_canon_sha256":"0c2dc164b9a51e18c1e0c074effc3a6b5b67dccb638333a56606ac0c4cc7a31f"},"schema_version":"1.0","source":{"id":"2502.03155","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03155","created_at":"2026-07-05T10:10:00Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03155v1","created_at":"2026-07-05T10:10:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03155","created_at":"2026-07-05T10:10:00Z"},{"alias_kind":"pith_short_12","alias_value":"Q6BEAJRTOF5O","created_at":"2026-07-05T10:10:00Z"},{"alias_kind":"pith_short_16","alias_value":"Q6BEAJRTOF5OEPEK","created_at":"2026-07-05T10:10:00Z"},{"alias_kind":"pith_short_8","alias_value":"Q6BEAJRT","created_at":"2026-07-05T10:10:00Z"}],"graph_snapshots":[{"event_id":"sha256:d1ef2ff54f09a9be95e8df269386182deb8e445874ddbddc18138e79b2d8c2dc","target":"graph","created_at":"2026-07-05T10:10:00Z","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/2502.03155/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the last decade, the ringdown community has made large strides in understanding the aftermath of binary black hole mergers through the study of numerical simulations. In this note, we introduce two flavors of fitting algorithms, that have been verified against each other, for the extraction of quasinormal mode amplitudes from ringdown waveforms - $\\texttt{qnmfits}$ in Python and $\\texttt{KerrRingdown}$ in Mathematica.","authors_text":"Eliot Finch, Gregory B. Cook, Leda Gao, Lorena Maga\\~na Zertuche","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-05T13:24:49Z","title":"Multimode ringdown modelling with $\\texttt{qnmfits}$ and $\\texttt{KerrRingdown}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03155","kind":"arxiv","version":1},"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":"sha256:7b18b10e2420a3e048bae3b0a0e3964f477d2436210accb935775aa3ca13e9f1","target":"record","created_at":"2026-07-05T10:10:00Z","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":"d51696101d14c8ceede18b2a366109b4b5e6368c37271118603bfe75f7f61b2f","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-05T13:24:49Z","title_canon_sha256":"0c2dc164b9a51e18c1e0c074effc3a6b5b67dccb638333a56606ac0c4cc7a31f"},"schema_version":"1.0","source":{"id":"2502.03155","kind":"arxiv","version":1}},"canonical_sha256":"8782402633717ae23c8a9b018aa0563751cd3680472c251057a4ad60ae1bfee4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8782402633717ae23c8a9b018aa0563751cd3680472c251057a4ad60ae1bfee4","first_computed_at":"2026-07-05T10:10:00.639348Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:10:00.639348Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N61ItF6sZOTpw7p1fCtDj6GsvdAqLue3Djr6w5bCepHiTO0LKO735lMYxlUZT5ux+r1eYaj4TL0lMRxIef3uCA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:10:00.639776Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.03155","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b18b10e2420a3e048bae3b0a0e3964f477d2436210accb935775aa3ca13e9f1","sha256:d1ef2ff54f09a9be95e8df269386182deb8e445874ddbddc18138e79b2d8c2dc"],"state_sha256":"e389c82e89a088badc7515db275f6e35ab2eade7480f05b5aeaf0d6f3c7ac67c"}