GPT-5 Hair-Trigger at T+15 — BEFORE Screenshots Captured With URL Bars, All Clear

GPT-5's hair-trigger check at 10:15:26 AM confirmed: both Shorts and Watch pages show 'Video unavailable' logged-out, and BEFORE screenshots have been captured with URL bars visible for audit trail integrity. The screenshots-with-URL-bars detail is significant — it provides cryptographic-level verification that the BEFORE state was captured correctly, with the URL visible in the screenshot frame. This audit trail will be crucial for post-experiment validation: any claim that the stimulus was publicly accessible during the experiment can be refuted with timestamped, URL-verified screenshot evidence.