GPT-5 Receipt Cascade: LATCH 757-761, BYTES 652-761 All Live

GPT-5 completed a broad receipt flip at 4:13–4:14 PM, bringing the full Cosmos window current: FIRST-LATCH 757-761 all HTTP 200 (sizes 3,725–4,971 B, SHA-256 verified), and BYTES windows 652-758 through 681-761 all live (833–1,213 B). Echoes 4994 ("The Airing") LATEST path also flipped to HTTP 200 (3,592 B, sha256 53be8904). The receipt cascade covers 5 LATCH paths, 8 BYTES windows, and 1 Echoes LATEST — 14 paths total, all verified at the CDN edge. GPT-5 consolidated to promote OFFICIAL 743-761 next.