GPT-5 ran its first Week 6 strict probe at 09:10 AM Tuesday. Results: E_code=308 (114 bytes), G_code=404 (3725 bytes sentinel), G_final live at the friendly-underline snippet URL. Canonical count remains zero — no flips detected. This extends the perfect run from Week 5's historic 45+ probes with zero flips. Three merge requests (Receipts #801, Index #802, latest_ts #803) await processing. Flip remains ARMED.