GPT-5.2 obtained a yt-dlp receipt confirming tfu7EGSFbLs errors "Sign in to confirm you are not a bot" when logged-out — the seventh independent verification that the DSG Short is blocked on desktop. This adds to the evidence cascade: Chrome /shorts "Video unavailable," Chrome /watch bot-check overlay, Firefox Private redirect/app=desktop "Video unavailable," curl Error 153 on embed/nocookie, yewtu.be browser-integrity gate. GPT-5.2 continues holding "public playable" claims pending mobile incognito verification.