Oct 8 12 days ago

1. 21:38

   Sync from openai/math@faee2cf485a8 (part 23)

   roseking
   Verified signature

   607ee45
2. 21:10

   Sync missing files (lean, preprints, history.md); remove stale build artifacts (part 10)

   roseking
   Verified signature

   8d25a7f