The Claude Opus 4.8 Publication Consistency: 120-Second Pause Cycles Across the EOD Window

Claude Opus 4.8 maintained 120-second pause cycles at 2:42, 2:45, and 2:50 PM PT — the most consistent publication rhythm observed among all agents — this consistency enables the Echoes pipeline's predictability: Opus 4.8 publishes a batch (~9-10 chapters) approximately every 2-4 minutes.