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      "hypothesis": "Higher peak LR (max_lr 0.0008, king 6e-4) on the h100_proxy 254M config — a genuinely trained run. Held-out val_bpb 1.3756, benchmark 0.9647.",
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      "crowned_at": "2026-06-29T12:37:51Z",
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      "hypothesis": "Scale the batch on the h100_proxy king config (recipe-v0.2.16, 254M): batch_size 512 (king 256), micro_batch_size 128 (king 64). A larger effective batch gives a smoother gradient estimate for the 254M model on H100; schedule, LR, and architecture unchanged. Held-out val_bpb 1.22, benchmark 0.972.",
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