I'm not talking about using SSN or other identifiers to validate voter identity, that would already be done at the polls or however we currently validate mail i

I'm not talking about using SSN or other identifiers to validate voter identity, that would already be done at the polls or however we currently validate mail in ballots (should be something better than forensic signature comparison, though). The identifiers would simply be used so that the individual could check and validate that their vote was counted and counted correctly. But perhaps those identifiers wouldn't be necessary since you could simply assign a random uuid after the person votes that they can then use to look up.