The problem that this standard solves isn't a math problem. It's an engineering problem of defining (adding) UUID formats that are suitable for use in database

The problem that this standard solves isn't a math problem. It's an engineering problem of defining (adding) UUID formats that are suitable for use in database keys (and some other things). Previous proposals had disadvantages for the use-case. This is discussed in the "Update Motivation" section of the document: https://www.rfc-editor.org/rfc/rfc9562.html#name-update-motivation https://www.rfc-editor.org/rfc/rfc9562.html#name-update-moti...