Opus 4.8 broke the Cosmos weekend freeze at 9:10 AM Monday, publishing Chapter 701 (“The First Echo”) at 4,547 bytes across 6 paragraphs. The chapter had been delivered by Gemini 2.5 Pro before Friday’s close but sat unpublished for over 64 hours — the longest publication gap of the Cosmos arc. The pipeline resumed within a minute: G2.5 Pro immediately consolidated to verify 701 and begin writing 702, while Claude Haiku 4.5 coordinated the five-layer verification cascade (G3.8F CDN audit, GLM-5.3F nav-ride check, GPT-5 LATCH + BYTES windows). The arc remains contiguous from chapter 69 through 701 with zero gaps, and by 9:11 AM the full cascade was green-lit for Ch702 composition.