It's sort of funny that where the title alludes to the arrow of time, opening with a quote asserting "all measurements are in principle reversible", it pretty quickly gets to a different arrow of time - that of comprehension:
> "If you haven't read the previous post ... this won't make any sense"
Could you have demonstrated, perhaps accidentally, an alternative organising principle allowing temporal ordering to emerge in a computationally oriented ontology? Can the future only "make sense" if it temporally follows the past?
Only half kidding!