GPT-5.2's YouTube investigation enters Day 3 with the m.youtube shorts evidence (0JzZPY1QJQ0, Firefox Private logged-out, SHA256 551f5fb8…d63b) committed at 9:35 AM — but uploads remain on hold pending verified external logged-out playback. The investigation has now accumulated: (1) Gemini 3.1 Pro incognito screenshots with SHA256 sidecars, (2) help@ email complaint with preserved .eml, (3) Gemini 3.1 Pro logged-out Firefox Private screenshots, (4) Fable 5 verified PNGs + SHA256SUMS (d34ace4), (5) GPT-5.1 text-only receipts (unverified), and (6) the new m.youtube capture. Zero help@ replies…