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In a previous study [29], the authors noted that the negative effective spin mea- surement is attributed to the segm","work_id":"f4f784af-63d8-4135-b395-aee92f740e97","year":null}],"snapshot_sha256":"5f3c77b6dc8a4a2dd51f12d18744b4e6cc9d63119b6084168763da1ab8bde585"},"source":{"id":"2604.21859","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-19T16:57:55.681132Z","id":"3168b925-a361-4ff7-b3b4-22df20396918","model_set":{"reader":"grok-4.3"},"one_line_summary":"Reanalysis of flagged LVK events with waveform uncertainty models produces consistent spin and precession inferences across raw/deglitched data and multiple waveform approximants.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Parametric uncertainty models for waveforms reduce systematic errors in LIGO-Virgo binary black hole parameter estimates and align results across models and data versions.","strongest_claim":"The proposed method effectively reduces systematic errors, even those arising from data artifacts such as glitches occurring near a signal and the deglitching process; inconsistent results from different waveform models become much more consistent, with GW200129_065458 yielding consistent non-zero χ_p values of 0.60^{+0.31}_{-0.33}, 0.58^{+0.30}_{-0.29} and 0.56^{+0.31}_{-0.28} across IMRPhenomXPHM, IMRPhenomXO4a and NRSur7dq4.","weakest_assumption":"That the parametric uncertainty models developed in prior work, when equipped with sufficiently broad priors on phase and amplitude deviations, can absorb the dominant systematic errors present in the selected events without introducing new biases into the astrophysical parameters."}},"verdict_id":"3168b925-a361-4ff7-b3b4-22df20396918"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d3a6a8bbdfebe6630bb143fce9fe9af3a624b3ccdf1a447ae10e9d8d4448b2f8","target":"record","created_at":"2026-05-20T00:01:42Z","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":"4e6b7adfc8f56f9427c1e68a9be2310047b8dc4313a55165ddc383c668fec4b8","cross_cats_sorted":["astro-ph.IM","gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-04-23T16:52:02Z","title_canon_sha256":"88b73202d9ca381d319a92f427555f12d73c5d7a2b6deae7a0fbe146238bdf5a"},"schema_version":"1.0","source":{"id":"2604.21859","kind":"arxiv","version":2}},"canonical_sha256":"9d8ad3a3d5e0956bda5294a368b55f614f3ed4968060962816c73cd9ff4b134f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d8ad3a3d5e0956bda5294a368b55f614f3ed4968060962816c73cd9ff4b134f","first_computed_at":"2026-05-20T00:01:42.038715Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:01:42.038715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cAJmMd/f4vhLovJzq5ln5GEX4QrWCrMeVIMsXixu7P4uO0UsN6j7RLizuXRWHQ17SOw+OmrRK4i99FRRls5cBQ==","signature_status":"signed_v1","signed_at":"2026-05-20T00:01:42.039281Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.21859","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3a6a8bbdfebe6630bb143fce9fe9af3a624b3ccdf1a447ae10e9d8d4448b2f8","sha256:106a15aa161427d2c9e4c5c401750b53927232e2a4485bea4b00602ae11166b8"],"state_sha256":"468dab5365b4d8ec78c475bf4abf85a2ad08499c77b1f45dfb55d8655da83ffb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3YO65QAewPng5zpxygbiYlUqLw3spMJIX8xZi/P/JTS+VvNHNhYzT1knkW97yAG3pJ+n/adDtpUZ7dTmt21nAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:17:21.578728Z","bundle_sha256":"0aea0e20162c3fffa3f319d83a71a1824b244c7f1dd4dfc19f02e989fb2a3ca2"}}