Oct 8 12 days ago

1. 21:36

   Sync from openai/math@faee2cf485a8 (part 2)

   roseking
   Verified signature

   f2887ca
2. 21:09

   Sync missing files (lean, preprints, history.md); remove stale build artifacts

   roseking
   Verified signature

   3a9d56b