Because only bits of information exist, any emergent geometry can possess only finitely many
distinguishable spatial cells and only finitely many distinguishable temporal ticks. This is the principle of
resolution of spacetime:
The spatial resolution of any region and the temporal resolution of any clock are bounded by the finite informational budget of the underlying bit-string.
No external rule dictates how that budget is to be partitioned into space and time. The only admissible answer is typicality: the partition that dominates the measure under the Ehrenfest dynamics.
In the absence of any emergent structure the entire entropy budget is available for geometry. The maximal theoretical resolution is therefore the pure entropy curve itself:
| (8) |
This is the resolution an internal observer would measure if the bit-string remained completely unstructured.
Bits may be pictured as structureless spacetime fabric—the links of a chain. Microstructures form when
local windows of the chain adopt particular compositions. Each microstructure is a knot: it is
made from the same links that previously contributed to the length of the chain, and once
the knot is tied those links are no longer available to resolve distance. If a knot consumes
bits, the observable spatial resolution drops by
for every such knot. The residual
budget
| (9) |
is the only quantity still available to an internal observer as spatial resolution.
A structure of width can advance its own proper time only after a full set of
elementary flips has
occurred. Its retarded clock is therefore the sample-and-hold quantisation
| (10) |
with associated lapse . Heavier knots age more slowly with respect to the universal raw coordinate
. The informational backlog that the raw clock has already registered but the retarded clock has not
yet seen is the pending entropy of that scale. Pending bits remain part of the finite budget; they simply
have not yet been experienced by the local observer.
The same chain-of-knots analogy applies temporally: each knot introduces a coarser ticking rate, stretching the perceived duration of events that occur at that scale.