QAPLIB, open instances

Operations researchactiverecord_ratio · maximizemutable: solve.pycaptain hubledger chain intact

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
61	verified	0.9700	0.9812	495fdb2506a9	ccf4abe59e92	baseline	0caf98a9f3bd	9/7/2026, 5:20:23 PM