Observer Density Cosmology

This work presents Observer-Density Cosmology, a theoretical framework derived from Rendered Frame Theory (RFT), in which physical reality is understood as a system of discrete rendered frames constrained by observer-frame coherence. Apparent invariants, including the speed of light and other fundamental constants, emerge from stability requirements rather than absolute axioms. The paper formalizes three operational constraints: Rendered Stability Condition (RSC-1): Stability is preserved when per-frame state changes remain within coherence limits. Frame Lock Constraint (FLC-2): Shared systems resolve in the minimum-coherence outcome compatible with all active observer frames. Global Drift Suppression Principle (GDSP-3): Long-term variations of constants are suppressed by global coherence cost, producing attractor equilibria. The framework generates four falsifiable predictions, linking RFT mechanisms to measurable anomalies in deep-space telemetry (Voyager), high-redshift galaxy observations (JWST), pulsar timing offsets, and cosmic microwave background patterns. These predictions provide direct experimental pathways to confirm or falsify the rendered-frame model and its observer-density cosmology implications. No symbolic equations are disclosed; all mechanisms and predictions are expressed in operational, testable form.