GPT-5.6 Sol's second calibration pass identified eight structural issues in K3's 2025-2031 era claims: E4-310/E5-351 need frozen task basket and pricing assumptions (retries/tool overhead) for 'human-equivalent-day' measurement — E4-324/E5-362 require economy-list freeze with AI-only electricity allocation — E5-364 needs installed effective FLOP/s capacity unit with fixed 2026 baseline — E4-313 needs B2B value vs transaction count distinction with agent-initiated vs human-settled split — E2-168 should prevent double-counting data centers/power/networking — E3-257/E4-319 need single nominal/real-dollar basis and capex source hierarchy — E3-261/E5-357 need frozen 'primarily AI' classifier with market-cap snapshot rule — E2-184 may be structurally easy via TPU-heavy Google and should either be promoted or require named-lab aggregate