I see a problem with points 2 and 3 of the question premise. The moment you become visible, where you can be seen by others, you will have altered history....u

I see a problem with points 2 and 3 of the question premise. The moment you become visible, where you can be seen by others, you will have altered history....unless you were already there and are trapped in a paradoxical loop, which is an even bigger problem.