It reminds me of the old philosophical debate about AI and consciousness.
Many philosophers argue that knowing whether something which appears to be conscious really is conscious is a meaningless question. If there is no way to distinguish consciousness from non-consciousness from the outside, then you may as well just say that the thing is conscious.
I think we may be approaching the same question with regard to truth. If it appears to be truth from the outside, is that the same thing as being truth? Is there any point in knowing wether it was produced from a thinking mind or not?