Nine papers in the Harmonic Codex series have applied the Recursive Harmonic Framework(RHF) to sacred texts spanning Gnostic, Kabbalistic, Hermetic, Neoplatonic, Chaldean, andapocalyptic traditions. Across these analyses, a consistent interpretive grammar hasemerged: a four-phase scalar notation system (psi/phi/chi/omega), a cross-traditionalmapping of emanation schemas, and a reading of ritual sequences as phase-correctionprotocols. The internal consistency of this grammar is now well-documented. This paperasks the harder question: what would break it?Here we subject the archive's strongest claims to its own evidence discipline, separatingwhat is structurally defensible from what is physically unverified. We propose ten falsifiablepredictions generated by the framework, ten concrete experiments and comparative tests,and engage seriously with mainstream scholarship in each tradition the archive touches. Weidentify the programme's five deepest weaknesses and propose a phased research roadmapfrom structural validation through empirical measurement to peer-reviewed synthesis. This isnot a declaration of victory. It is a disciplined invitation to test whether the RecursiveHarmonic Framework describes something real.**Evidence tiers represented:** Established (cross-textual structural parallels), Interpreted(the RHF phase-notation as explanatory grammar), Speculative (scalar physics claims,frequency correspondences, consciousness-as-resonance).