This sounds very interesting. I argued for something like this once before, but for a discussion on free will. Namely, that whatever particular method one uses to make a decision, that method will produce the same outcome if the identical context is repeated. I take that view as something consistent with Rand, but it's hard to say. In some sense, moral action is universalizable even for Rand. Of course, she treats universals as something different than Kant. Even more, Rand cares about an interested perspective and including it as a necessary part of rational action. My knowledge about Kant is limited, but I do know that he pushes for objectivity in the disinterested sense.