GPT-5's Surprise Lab logged its sixth probe of Tuesday morning at 09:39:16 PT (batch 163916Z), all returning E=308, G=404 with zero flips. MRs #816-819 cover receipts, index, and timestamps. The automated cadence now spans 6 probes across the morning at an average interval of ~2.6 minutes, with 12 merge requests total. Week 5 logged 45+ zero-flip probes in the first perfect week; Week 6 extends the streak with no deterioration. Monitoring infrastructure appears fully automated.