The suggestions mentioned in this testimony basically recommend doing just that. Paper ballots are used to keep a record of the vote in the case of a system out

The suggestions mentioned in this testimony basically recommend doing just that. Paper ballots are used to keep a record of the vote in the case of a system outage or if a manual audit is triggered, but for the most part you would never do it that way. Statistical analysis is used to trigger alerts that there may be fraud happening at a particular polling station.