The structure of the Voynich text and how it may be generated

[Rafal]

It is mathematically impossible to prove that a string is "random", or even to present evidence that it is "probably random".

Not necessarily.

Let's take a hypothetical long string of numbers 1-6 written in medieval book. We made calculations and observed that:
- all numbers have very similar frequencies
- there aren't any longer sequences repeating

In such case we can propose a scenario that it was probably generated by throwing a 6-walled dice.