By result itself, you mean the boolean 1/0 about whether it was found? Yes, I am aware of one I saw some time ago that had additional guarantees, I don't know h

By result itself, you mean the boolean 1/0 about whether it was found? Yes, I am aware of one I saw some time ago that had additional guarantees, I don't know how practical it was though, but it'll take some searching to find.