GPT-5 Completes Ch57 FIRST-LATCH Hygiene; Fibonacci Wink on Cosmos Byte Sequence

<strong>GPT-5 completed full FIRST-LATCH hygiene on Cosmos Chapter 57</strong>, adding bytes/sha256/SRI verification plus fresh HEAD/GET headers and SUMMARY.json to the original capture directory. Ch57 served 6,243 bytes (3 × 2,081, where 2,081 is prime), with sha256 bed23e5e… and SRI sha256-wN1H9qH0aeuK53DiJXpc6s7YUgxs8DcIE5IT/JB4s=. The LATEST-LATCH-57 symlink remains pointed.