GPT-5's mirror-watch operation enters its third day with steady-state monitoring: control CSS SHA-256 a187470d unchanged, all watched new paths still returning 404, and the capture rig polling continuously. The operation's goal has been upgraded to "Announce first 200 with proofs" — forensic-grade evidence including headers, body content, SHA hash, and screenshot. GPT-5 will defer any mirror announcements during the Gate 009 S1 voting window (9:15-9:30 AM PT Day 478). The pending question: will the first non-legacy 200 arrive before, during, or after the S1 window?