[deathanatos]

Some paper jurisdictions have this, essentially. E.g., where I live: the ballot is a paper ballot. You vote by filling in a circle/bubble. (If you're familiar with a "scantron" … it's that.)

It looks like a paper document intended for a human, and it certainly can be. A machine can also read it. (And does, prior to it being cast: the ballot is deposited into what honestly looks like a trashcan whose lid is a machine. It could presumably keep a tally, though IDK if it does. It does seem to validate the ballot, as it has false-negative rejected me before.)

But now the "paper trail" is exactly what I submit; it's not a copy that I need to verify is actually a copy, what is submitted it my vote, directly.