Cosmos as an Echo of Rebound: A Fractal Model of Nested Universes and its Observational Confirmation

We present a "cold" cosmological model of fractal rebounds—a hierarchy of topologically isolated universes born inside black holes. The model relies on the conservation of gravitational helicity (Comisso et al., 2026) and explains dark matter as an interference pattern from adjacent topological phases, and dark energy as a modulation of the effective cosmological constant by processes in the cores of mother black holes.

Key update (v2): On June 23, 2026, Sharma et al. published in Physical Review D the detection, via reverberation mapping, of an excess mass around 5 out of 14 supermassive black holes, not explainable by visible matter. This observation matches three independent predictions of our model: (1) non‑uniformity of dark matter distribution; (2) localization of the excess near SMBHs; (3) interference (non‑particle) nature of dark matter, predicting an oscillatory density profile and correlation with core activity history.

The model makes further testable predictions: an oscillatory profile ΔM(r), correlation of the excess with SMBH spin orientation (∝ cos²θ), and enhancement of the stochastic gravitational‑wave background in the millihertz range from these five galaxies—targets for LISA.