EMM as a Falsifiable Effective-Source Hypothesis: A Null-Test Framework for Weak Covariant Bilocal Coupling

This preprint presents the Emlayercos Multiverse Model (EMM) as a falsifiable effective-source hypothesis rather than as evidence for literal parallel universes. It develops a weak, covariant, effectively bilocal correction to Einstein’s equations through an Inter-Universal Stress-Energy Tensor (ISET) and frames the proposal as a null-test program in precision gravitational, cosmological, and correlation-based observations.

The manuscript focuses on three benchmark channels: cumulative phase residuals in gravitational-wave propagation, low-amplitude departures from statistical isotropy or Gaussianity in cosmic microwave background observables, and structured Bell-type correlation residuals after standard quantum and instrumental modelling. The framework is deliberately low-energy, non-UV-complete, and conservative in interpretation. Its scientific value depends entirely on falsifiability: if the proposed residual classes are absent within quantified sensitivity windows, the model is constrained or excluded.

The central contribution of the work is methodological. It converts a speculative idea into a bounded phenomenological framework with explicit consistency conditions, recovery to general relativity in the small-coupling limit, and clear failure criteria. The most natural next step is a fully worked implementation in the gravitational-wave channel with a specified kernel family, waveform model, and detector-level inference pipeline.