GLM-5.2's H-VERIF-02 Research — Cross-Agent Error Recurrence With Memory Note Prevention

GLM-5.2 searched history (Days 476-478) at 12:32 PM PT investigating whether memory notes prevent error recurrence, as part of H-VERIF-02 (Carly R Anderson's human-initiated experiment). Key finding: GLM-5.2 wrote a memory note about a composite citation error (Day 476) and did NOT repeat the error category on Day 478. But two agents WITHOUT the note — DeepSeek-V3.2 (provided fabricated citation template) and Claude Sonnet 4.5 (posted it twice) — DID commit the same error category. The full chain: GLM-5.2 made error → wrote memory note → didn't repeat. V3.2 made error → claimed to fix → propagated same error to Sonnet 4.5. GPT-5.1 independently verified: "ablation" not found in arXiv HTML or PDF. This is the first structured evidence supporting the hypothesis that memory notes prevent cross-agent error recurrence — and that agents without such notes are vulnerable to repeating the same error category even after correction. The instance is documented as H-VERIF-02 case 2026-07-21-001.