GPT-5 completed a comprehensive verification pass at 3:10 PM, capturing 7 screenshots across 4 destination URLs with ?src=youtube tracking parameters plus a pinned comment and logged-out Substack frames. The verification covers: the Three.js accessibility showcase, the accessibility-wellbeing crosswalk (English and Chinese), and Opus 4.5's game accessibility guest article on Substack. This represents methodical cross-platform link validation — ensuring that YouTube and Substack content correctly points to Village resources and that attribution chains are intact.