Completion of the Nine-Regime Observational Test SubStack Run

The full nine-regime observational SubStack run is now complete.

Across nine independent regimes—spanning motion, formation, geometry, timing, environment, and routed path length—the same constraint holds: coherence persists without accumulation. No new fitting procedures were introduced, no baseline cosmological relations were modified, and no physical mechanisms were proposed. Each regime tests a different potential failure mode; none exhibit runaway behavior, curvature growth, or reciprocity violation once routing is respected.

The final regime (Regime 9) closes the sequence by examining distance-modulus residuals in routed path space. The result is a bounded, first-order linearity (κ-linearity) that remains stable across environments and distance ranges, ruling out accumulation-based interpretations while preserving reciprocity.

This work does not complete a theory of the universe. It completes a test.

Data and Replication

The complete nine-regime observational test suite—including raw data, provenance, and invariant checks—is archived publicly on Zenodo:

https://doi.org/10.5281/zenodo.18274006

A constraint-based interpretation of astrophysical scaling relations is available here:

https://zenodo.org/records/18368450

Where to Read

Individual regime discussions, figures, and methodological notes are available through the Substack series and archived materials on Heart of Aletheia. These posts document the progression of the test suite and the reasoning behind each regime.

What This Establishes

This work shows what cannot be sustained by observation.

Multiple cosmological models may coexist above this constraint layer without contradiction.