Add kp-detect-v18 submission#158
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kp-detect-v18 — Kareem Elsamadicy (Independent Researcher)
Release date: 2026-05-25
Detector: kp-detect-v18
Summary
A meta-stacker built on top of v15 (PR #155). On the 339K RAID test rows where v15 was uncertain (score in [0.2, 0.8]), this submission refines predictions using a small bag of physics-grounded features (Mahalanobis distance to per-class meaning centroids, semantic phase-space velocity/acceleration, conceptual density, and first-order coherence at lag 10). The refined scores are blended with v15 base at alpha=0.95 (95% v15 + 5% physics-meta). v15 confident rows are unchanged.
Train OOF (5-fold, balanced n=27,900)
Expected lift on RAID test: modest +0.003 AUROC over v15 baseline (96.44 → ~96.7), with paraphrase-cell AUC lifting on 6/8 domains where v15 was weakest.
Contact: kelsamadicy@gmail.com