ÆTERNE is a strategic advisory and design laboratory focused on the Infrastructure of Conscience for Frontier AI. We provide high-status ethics frameworks, including the R.H.E.A.$^A$ Framework, to ensure technical agency and human autonomy are preserved in the age of intelligence. Our work bridges the gap between mechanical safety standards and the preservation of human legacy, serving as an architect for organizations that prioritize the 'Human Archive' over extractive data practices. Our team consists of experts in AI ethics, strategic communication, and policy design, dedicated to helping businesses navigate the complexities of technology while upholding ethical standards.