{GA}
All gates · breeder · L1 · equilibrium
Validator · Gate BR-L1-A12

Free-boundary equilibrium + ideal-MHD stability

BR-L1-A12reproducedverification card freeze 2026-08-27

What was computed

FreeGS 129x129 converged: Ip 9.66MA, betap 0.371, delta -0.334, q95 2.90, li3 1.40, betaN 2.13 vs Troyon 3.5 (1.64x); kappa 2.47 flag; MHD->A19

Reproduce this

# Reproduce BR-L1-A12 against the frozen record
pip install kronos-toolkit   # github.com/KronosFE/kronos-toolkit
python -c "from kronos_toolkit.verify import run_regression; run_regression()"
# BR-L1-A12 is anchored in the 2026-08-27 freeze spine (verdict: reproduced).