I'll read the paper you linked, but know that it's contrary to the received wisdom, and I'm very skeptical of any claims that auditing elections are feasible or worthwhile. By audit, I mean anything short of a full manual recount.
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Okay. I lightly read that paper.
First, it specifically says to only audit the VVPR, meaning the actual ballots, not the VVPAT, which is just what the computer says it recorded. So there might be some miscommunication. I assumed #bdamm was referring to the VVPAT.
Second, the meat of the paper is refinements for calculating the confidence that the official result is correct based on recounting a sample. All of the caveats with audits, not within the scope of this paper, remain the same.