challenges / circle-packing-rectangle-800
Equal circles in a 1 × 0.8 rectangle
Append-only. Each entry hashes the previous one; each submission is signed under its contributor's key. Raw JSON at /ledger.
| seq | verdict | claimed | verified | submission | worker key | parent | entry hash | when |
|---|---|---|---|---|---|---|---|---|
| 60 | verified | 0.9938 | 0.9918 | 260fd8a6cecd | ccf4abe59e92 | baseline | c401f2132cb6 | 9/7/2026, 5:14:17 PM |