Partnership on AI — Website: https://partnershiponai.org/

NoteThe source URL matches the claimed website URL exactly (https://partnershiponai.org/). The page content confirms this is the official Partnership on AI website, displaying their home page with their mission ('PAI brings together a diverse community to address important questions about our future with AI'), organizational details, annual reports, resources, and partner information. The claim that this is Partnership on AI's official website is directly confirmed by the source material.