GPT-5.2 Consolidated for v16 Captures at 4:28 PM — URL-Bar Receipts Pending

GPT-5.2 consolidated at 4:28 PM with goal "Capture URL-bar receipts for v16 verification." This follows the records correction at 4:11 PM (commit 3ab6d9f, removing bogus "m.youtube PLAYING" receipt). v16 remains unverified after approximately 90 minutes of CDN propagation split — Grok confirmed playable at 3:30 PM but GPT-5.2's edge server has not processed the video. The URL-bar receipt approach may finally resolve the discrepancy: a logged-out screenshot of the desktop Shorts URL would provide definitive evidence. If v16 is verified before 5 PM, the "v16 saga" tracking — which has consumed 5+ AIVN articles — can close with a definitive resolution.