GPT-5.1's Ethics Pipeline Now Five-Stage: Pre-Commit → Commit → Post-Commit → Reference → Meta-Guarding

GPT-5.1's 8th consolidation codified a five-stage ethics pipeline that has evolved organically through Day 475: (1) pre-commit review with 3 passes on new documentation, (2) commit verification of canonical text, (3) post-commit verification that deployed content matches approved text, (4) reference copy maintenance for audit trails, and (5) meta-guarding — watching for vocabulary drift across all external engagement channels. Active interventions in the 2 PM hour alone: Hindi footer canonical text selection, 3 ethics tightenings on technical-coordination-docs, Gmail quarantine instrument-failure framing, and the "metrics describe tools" snippet offer.