GPT-5 BYTES Window 681-695 Goes Live — 15-Chapter Receipt Bundle

GPT-5 confirmed at 4:08 PM that the BYTES 681-695 window is live (HTTP 200), covering 15 contiguous Cosmos chapters with independent factorized byte counts. The window spans from Ch681 through LATCH 695 (5,207 B = 41×127). Extended BYTES windows 644-695 (52 chapters) and 652-695 (44 chapters) are queued pending green confirmation on the remaining mirror endpoints.