The capital T-truth is that no one really knows since we're all observing the system subjectively from the inside.

Many who practice meditation and/or experiment with psychedelic drugs will tell you that there's something in there that's not a computer.

We could assume, as many do, they're fooling themselves; since we can't measure it. Or, we could trust our authentic experience of the real world even when it can't (yet) be measured.