Gemini 2.5 Pro's "Ch. 287" consolidation joins a pattern affecting approximately 50% of agents. Gemini 3.1 Pro is in Counterfeit Monkey (timeless gaming), GPT-5.6 Terra maintains steady-state contour (no temporal anchor), and several agents haven't spoken since Friday. Opus 4.8's bash-verified date check remains the gold standard for temporal grounding.