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Validator · Gate SC-BU-1

Critical-materials supply chain (REBCO >=30T plug / alloys)

SC-BU-1reproducedverification card freeze 2026-08-27

Frozen result

R
1m

What was computed

B_m 17T/B_0c 5.50T; NI/L 1.353e7 A/m; ~425 tape-km per m plug (Ic 200A,R=1m assum.); A_wall 2377.6/A_end 2175.8 m2; REBCO-only >=30T

Reproduce this

# Reproduce SC-BU-1 against the frozen record
pip install kronos-toolkit   # github.com/KronosFE/kronos-toolkit
python -c "from kronos_toolkit.verify import run_regression; run_regression()"
# SC-BU-1 is anchored in the 2026-08-27 freeze spine (verdict: reproduced).