I think the universe could be computable even if positions have infinitely many decimal places, as long as the sequence is computable. But you are right that it would be incomputable if the sequence is basically random, and there is no proof that things are not like this.
I think the universe could be computable even if positions have infinitely many decimal places, as long as the sequence is computable. But you are right that it would be incomputable if the sequence is basically random, and there is no proof that things are not like this.