This paper presents formal proof of the Emergent Continuum Hypothesis (ECH), a principle positing that the mathematical continuum is not a fundamental, axiomatic entity but a macroscopic phenomenon emerging from a discrete underlying reality. We demonstrate that a specific, non-trivial continuum is the necessary and unique limit of a system built from the set of prime numbers. The proof is constructed in four parts. First, we define a sequence of finite, directed metric spaces derived from the primes. The metric is determined by a novel, asymmetric weight function where the interaction between any two primes is mediated by the entire system; this interaction strength is based on the p-adic norms of the gap between the primes, evaluated against all primes in the system. Second, we prove that this sequence of spaces is a Cauchy sequence in the measured Gromov–Hausdorff metric, and therefore, converges to a complete, path-connected geodesic space, which we identify as the Emergent Continuum. Third, we prove that this convergence is critically dependent on the deep arithmetic nature of the rules, showing that simpler, non-arithmetic rules fail to produce a stable, non-trivial limit. Finally, we prove that the canonical Laplacian operator on this Emergent Continuum possesses a spectrum with eigenvalue spacing statistics that necessarily follow the Gaussian Unitary Ensemble (GUE). This is shown to be a direct consequence of the intrinsic asymmetry in our rules of assembly, which breaks time-reversal symmetry and induces the quantum chaotic behavior observed in number theory. This work establishes a rigorous mathematical bridge between discrete arithmetic and continuous analysis, offering a new paradigm for foundational questions in mathematics.