This public research archive preserves all inventoried SFT checkpoints and model checkpoints from completed or stopped Wikispeedia RL experiments as of October 13, 2026. Currently running RL branches are excluded from this snapshot. Uploads are in progress: catalog.json lists the main inventory; legacy-catalog.json lists the additional stopped run exports. Both catalogs mark verified availability. A planned entry is usable only when available is true. Each checkpoint is an independent Transformers model directory or PEFT adapter directory beneath checkpoints/ /. Intermediate models previously stored as lossless byte-delta archives are reconstructed into their original model files before…