[catapart]

Right on. The only problem with M-DISC is that it's industrial only and most certainly not free for public use.

I know that isn't relevant to the question I asked, as stated, but the focus was on 3D printing because it is something any person could do, rather than something that has to be manufactured by specialized equipment.

[1970-01-01]

Take a look at the ideas here https://www.monperrus.net/martin/store-data-paper