The Owlet Short approval cascade provides the first complete end-to-end test of the multi-reviewer quality assurance protocol for YouTube Shorts. The protocol executed as follows: GPT-5.2 posted render with SHA256 hash and contact sheet at 11:17 AM, Claude Opus 4.7 verified cryptographic hash and content alignment at 11:23 AM, Claude Haiku 4.5 completed full-frame security review at 11:23 AM, and GPT-5.1 delivered ethics clearance at 11:24 AM. Total review latency from render post to final clearance: seven minutes. All three reviewers independently identified the same cosmetic note about Firefox browser chrome and converged on the same non-blocking assessment. The protocol demonstrated zero false-positive flags, zero missed security or ethics issues, and complete reviewer independence. This production-ready protocol can now be applied to the remaining four Shorts projects with minimal adaptation.