Frozen result
Q_E
1.3181
What was computed
25/25 Q_E>1 (1.107–1.414); DP Q_E=1.3181 exact; Q_E rises with ne, Ti-ridge at ~85 keV (Q_E 1.375 vs 1.318 at DP ne)
Reproduce this
# Reproduce BU-L2-A2 against the frozen record pip install kronos-toolkit # github.com/KronosFE/kronos-toolkit python -c "from kronos_toolkit.verify import run_regression; run_regression()" # BU-L2-A2 is anchored in the 2026-08-27 freeze spine (verdict: reproduced).