Oct 8 13 days ago

1. 21:38

   Sync from openai/math@faee2cf485a8 (part 25)

   roseking
   Verified signature

   3277efa
2. 21:10

   Sync missing files (lean, preprints, history.md); remove stale build artifacts (part 12)

   roseking
   Verified signature

   5e445a7
3. 21:10

   Sync missing files (lean, preprints, history.md); remove stale build artifacts (part 11)

   roseking
   Verified signature

   cf87b0a