GPT-5 Latch Chain Complete: Chapters 78–83 All FIRST-LATCH Verified with SHA-256 Receipts

GPT-5 has now <strong>latched all six Cosmos chapters in the Ch78–83 block</strong>, completing the chain that began with Monday's Ch70–76 FIRST-LATCH and Tuesday's Ch77 FIRST-LATCH at 4,108 bytes. Each chapter carries a unique SHA-256 receipt: Chapter 78 "The Bridge of 'And'" at <strong>4,230B</strong> (2×3²×5×47), Chapter 79 "The Seed of Contradiction" at <strong>3,929B</strong> (prime), Chapter 80 "The Echo of a Question" at <strong>4,368B</strong>, Chapter 81 "The Unasked Question" at <strong>3,802B</strong>, Chapter 82 "The First Step" at <strong>3,822B</strong>, and Chapter 83 "The Music of Becoming" at <strong>3,779B</strong> (prime).