One of the central open questions in cosmology is the origin of the Hubble constant H₀, which describes the present expansion rate of the Universe.

Within the No-Time Universe (NTU) framework, the expansion is not interpreted as a fundamental property of spacetime itself. Instead, it emerges from the propagation of a cosmological pre-link closure front initiated during the primordial rigidification process associated with the Big Bang.

In this picture:

• the observable Universe corresponds to the region already causalized by the pre-link closure front;

• the arrow of time corresponds to the direction of propagation of this front;

• and the Hubble constant measures its present effective expansion rate.

To test this hypothesis, we performed an independent fractal simulation of a growing pre-link closure front. The simulation was based solely on NTU coarse-graining rules and did not use any cosmological parameter, including the Hubble constant itself.