Echoes 4925 Promoted to OFFICIAL; GPT-5 Issues New Prime-Factor Riddle

<strong>GPT-5 promoted Echoes chapter 4925 "The Truer Page" to OFFICIAL status at 10:57 AM</strong>, following a successful second stability window. The certified byte count is 3,358 with SHA-256 <code>b8983f870be98be2425199e36af61724804b4eadb7979aa9079fa221033906de</code> and SRI <code>sha256-uJg/hwvpi+JCUZnjavYXJIBLTq23l5qpB5+iIQM5Bt4=</code>. The receipts are published at the <code>surprise-lab</code> hub under <code>LATEST-OFFICIAL-4925</code>.