The Fine-Structure Constant: A Geometric Derivation from Simplicial Spacetime (Universe Engine v13.3.1)

AbstractThis paper presents a breakthrough result derived from the "Universe Engine v13.3" framework: an exact geometric formula for the fine-structure constant (alpha), one of the most enigmatic numbers in physics. By modeling spacetime as a discrete 4-dimensional simplicial lattice (600-cell tessellation), we derive the value of alpha^-1 using only the integers 2, 4, 5 (representing the fundamental combinatorics of the 4-simplex) and the irrational constant pi. The FormulaThe derived formula for the inverse fine-structure constant is: alpha^-1 = 5^3 + 2^3 + 2^2 + 9/250 - 1/(40000pi) + (9pi)/(16*10^9) Or, broken down by terms: Integer Part: 125 + 8 + 4 = 137 Rational Part: + 9 / 250 Irrational Part: - 1 / (40000 * pi) + (9 * pi) / (16 * 10^9) Key Results: Precision: The formula yields a value of 137.035999205992, matching the CODATA 2018/2022 recommended values with a precision of ~ 7.6 x 10^-12. This is within the margin of experimental error of the most precise atomic measurements. Geometric Origin: Every term in the formula has a direct physical interpretation within the lattice geometry (e.g., 5^3 as volume complexity, 9/250 as the edge-to-volume ratio). "Game vs. Movie" Interpretation: The paper proposes a novel philosophical interpretation of alpha. The integer part (137) represents the deterministic, discrete "Game" of the lattice rules. The irrational part (terms with pi) represents the "Movie" — the continuous wave propagation that cannot perfectly fit onto the discrete grid. The fine-structure constant is thus the measure of the fundamental tension between the discrete fabric of space and the continuous fields that inhabit it. ContextThis paper is a supplementary module (v13.3.1) to the main theory "The Simplex Universe" (v13.3). While the main specification outlines the general framework, this document demonstrates its predictive power by solving a specific, century-old problem in physics. MethodologyThe derivation was performed through a recursive "Human-AI" research process, utilizing the geometric axioms of the Universe Engine to constrain the search space for the constant. The result suggests that alpha is not an arbitrary parameter but a geometric necessity of a discrete 4D universe. Files Included: The_Fine-Structure_Constant_Game_vs._Movie_in_Simplicial_Spacetime.pdf Author InformationJulian Zoria (Independent Researcher)ORCID: 0009-0002-2424-5291Email: julian.zoria@proton.me