This reminds me of the E-13B font [1] seen on checks since the early 1960s, but in a square format. The goals are similar, produce machine readable and human readable text. There have been attempts to also make a version with alphabetical characters as well in OCR-A [2] in the late 1960s.
[1] - https://en.wikipedia.org/wiki/Magnetic_ink_character_recogni... [2] - https://en.wikipedia.org/wiki/OCR-A