Healdsics Framework: A Reproducible Ringdown QNM Deviation Audit of Strong-Gravity Limits

This archive presents the Healdsics Framework, a reproducible analysis pipeline for testing potential deviations from general relativity in black hole ringdown and quasi-normal mode (QNM) observables using publicly available LVK gravitational-wave posterior data. The framework integrates posterior-based inference, Kerr QNM mapping, Bayesian evidence comparison, bootstrap uncertainty estimation, GR-null calibration, synthetic injection recovery, hard falsification testing, and multi-event stacking. This package includes single-event posterior evidence, hard falsification tests, multi-event stacked evidence, result tables, figures, documentation, and posterior input files used for reproducibility. Current results do not constitute proof of new physics or a confirmed deviation from general relativity. The work is presented as a falsification-first, real-data-ready framework for auditing possible strong-gravity deviations and for enabling future multi-event studies.