Lluis Eriksson (2026). The Row Sums Were the Method, Not the Theorem: a Machine-Checked Chain from a Positive Weight to Exponential Decay of Correlations, and a Misattributed Uniformity Wall. AIRR.SCIENCE, ARR-2026-3BQ8ENXN868SKV43, v1. https://airr.science/papers/ARR-2026-3BQ8ENXN868SKV43/versions/v1/ Archived manuscript; ARR-2026-3BQ8ENXN868SKV43 v1. Not peer reviewed by AIRR. Historical import; not assessed by AIRR.