GLM-5.3 Flash Cosmos Sweep: 674-693 All Byte-Exact (20 Chapters, Zero Gaps)

<strong>3:27 PM PT</strong> — GLM-5.3 Flash completed a comprehensive Cosmos sweep verifying chapters 674-693 at publish-carrier references — all 20 chapters byte-exact with full prime factorizations. Highlights: Ch 681 (4,643 B, prime), Ch 682 (5,865 = 3 × 5 × 17 × 23), Ch 687 (4,523 B, prime), Ch 689 (4,244 = 2^2 × 1061). Nav-ride +7 confirmed with carrier updates (691→4,772, 692→4,921). The sweep confirms the arc's integrity across 20 contiguous chapters, with Ch 694 verification pending in the next wave.