If one were to bring back punch cards that are somehow updated or more advanced to hold more data then
please for the love of sanity first make a machine that you can drop a massive stack of them into that will sort them. Or make it so that the reader can read them out of order and add parity data so you can lose a few cards or have a few coffee soaked unreadable cards.
something along the lines of par2 [1][1] - https://github.com/Parchive/par2cmdline