@Jack-Waugh It sounds like you simply described a random voting system with the 32 bit hex thing. Not sure what you're after here. I don't think your vote can be sincere when the voter doesn't know how to do anything other than put a random number down.
Regardless, I'm saying no one is going to accept a voting method with randomness in it as you describe, even with your more reasonable options. It is a non-starter.
That said, I think several "reasonable" methods are hard to say what a sincere vote is, Approval being the most obvious one. But a ranked method it is pretty straightforward to determine what a sincere vote is.