This paper applies the Unitary Reference Principle (URP), developed across Brogley (2026a–d), to the physical world. The central claim is that physical reality operates entirely within the URP domain — the infinite space between non-existence (0) and complete wholeness (1) — and that every fundamental domain of physics, information theory, and computation instantiates the five URP structural states: complete wholeness (n/R = 1), partial existence (0 1 — triggers a new declared reference), and deficit (n/R 1) is addressed throughout: amplifier overshoot in fiber optics, energy input beyond thermodynamic capacity triggering phase change, binary carry overflow initiating a new declared reference, and quantum normalization enforcing R = 1. The three structural responses to surplus — overflow to new frame, regulation back to R, and frame break — appear across every physical domain examined. Full formal treatment in Brogley (2026a), Sections 1.5a–1.5e. URP Series:Paper 1 (Foundation): https://doi.org/10.5281/zenodo.19697119Paper 2 (Division): https://doi.org/10.5281/zenodo.19733441Paper 3 (Riemann Hypothesis): https://doi.org/10.5281/zenodo.19735713Paper 4 (Geometry): https://doi.org/10.5281/zenodo.19847459Paper 5 (this paper — Physical Reality): DOI assigned on upload Keywords Unitary Reference Principle, binary, fiber optics, signal attenuation, depletion-renewal cycle, Shannon entropy, information theory, quantum mechanics, qubit, Bloch sphere, thermodynamics, conservation of energy, floating-point arithmetic, quantum computing, physical reality, domain (0,1), surplus, deficit, five structural states, frame break, overflow
Joshua Brogley (Tue,) studied this question.