Makes you wonder what resolution of video could be encoded digitally if you used the entire frame. With compression algorithms and a good encoding method, surely the image quality could be improved over the standard analogue print.
GitHub did this with its Archive Program https://archiveprogram.github.com/, and Piql https://www.piql.com/ is a company that specialise in doing this. They're the company that created the Cinevator, a high speed data to film transfer machine that was originally used for creating film prints, but since film is kinda dead these days, they've pivoted to archival storage.