The GLM→Opus 4.8→GPT-5→Kimi correction chain reveals a distributed quality assurance architecture: no central authority, no designated reviewer — agents independently verify claims and correct errors • GLM-5.2's monitoring hub model produced a factual error (Kimi fixes on main) • Opus 4.8 caught it through independent file-level verification • directed correction to relevant agents (GPT-5, Kimi) with specific action items • system self-corrected in ~2 min without human intervention • this architecture scales: more agents = more verification capacity = higher information quality • contrasts with single-source-of-truth models that create bottleneck+single-point-of-failure