MarinFold exp199 checkpoints

Checkpoint artifacts from the MarinFold contacts-v1 AFDB/ESM optimization experiment tracked in Open-Athena/MarinFold#199.

Runs

Run	Final `eval/tokenized/contacts-v1-val/loss`	Levanter checkpoints	Hugging Face export
`prot-exp199-cv1-s01-m1-p03-aug-us-east1`	`3.0115306377`	step-72599	step-72599
`prot-exp199-cv1-s01-m1-p03-base-us-east5`	`3.0074224472`	step-72599	step-72599
`prot-exp199-cw-cv1-s02-m1-p06-aug`	`2.9712009430`	step-116160, step-145199	step-145199

Formats

The checkpoints/ paths contain the original Levanter OCDBT full state, including AdamW state for continued training. The hf/ paths contain Qwen3ForCausalLM safetensors exports and the 2,845-token contacts-v1 tokenizer.

The two m1-p03 runs trained for 72,600 steps, making step-72599 their zero-indexed final checkpoint. The CoreWeave m1-p06 run trained for 145,200 steps. Its step-116160 checkpoint marks 80% of training before cooldown and is retained as a continuation point; step-145199 is the final checkpoint.

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