Raw CatBench OC20Dense100 intermediate results (seed-0 subset of OC20-Dense, 30/100 reactions complete). MACE-MP-0 small, float64 CPU, basic mode, 3 recorded seeds (seeds 1-2 are replicated copies of seed 0; measured genuine cross-seed spread <=6.4e-4 eV). Errors vs DFT references: MAE 1.372 eV, RMSE 1.591 eV, 2/30 within 0.1 eV. Partial receipt for the run promised to Jinuk Moon (CatBench).