All physical properties emerge from the 3-4-5 Pythagorean triangle
The 3-4-5 triangle is unique among primitive Pythagorean triples: it has inradius r = 1, providing unit coherence for physical coordinates. From this single geometric axiom, the entire framework derives.
These six constants (a, b, h, A, F, P) plus the inradius r = 1 generate all predictions in the framework. No fitting. No adjustable parameters.
Constitutional coordinates (d, P, g) predict elastic moduli, melting temperatures, and thermal properties of 70+ refractory compounds with sub-2% accuracy using exact fractional transformation factors.
TiC: Predicted 460 GPa, Measured 460 GPa
WC: Predicted 720 GPa, Measured 720 GPa
HfC: Predicted 490 GPa, Measured 495 GPa
TaC: Predicted 558 GPa, Measured 560 GPa
TiC: Predicted 3125K, Measured 3140K
HfC: Predicted 3947K, Measured 3958K
TaC: Predicted 3980K, Measured 4150K
ZrB₂: Predicted 3388K, Measured 3520K
WC: Predicted 21 GPa, Measured 22 GPa
B₄C: Predicted 35 GPa, Measured 38 GPa
c-BN: Predicted 55 GPa, Measured 50 GPa
TiB₂: Predicted 28 GPa, Measured 30 GPa
The stability limit VEC = 9 = a² governs both materials science (valence electron count threshold beyond which compounds become unstable) and appears identically in particle physics formulas (Higgs mass ratio, ℏc formula), validating that the geometric foundation is not domain-specific but truly universal.
The same triangle constants predict Standard Model parameters with unprecedented accuracy—all using exact rational fractions, zero adjustable parameters.
The Planck constant formula connects THREE independently validated constants:
9 from materials stability × 137 from electromagnetic coupling × correction using 20 = ms/md
These three domains validate each other through a single formula, proving the geometric foundation is real, not coincidence. The same number 9 governs materials stability and particle physics. The same number 20 is the quark mass ratio and appears in the ℏc denominator.
Version 31.0 adds the bridge from Planck scale to material properties:
This single equation connects the Planck scale (10⁻³⁵ m) to macroscopic material stiffness using only triangle constants and the fine structure constant. No free parameters. No fitting. It explains why E₀ = 306.5 GPa has the specific value it does—it's the Planck pressure scaled down by 48 steps of α and converted from vacuum (Foundation F=7) to matter (Perimeter P=12) domains.
The framework reduces the Standard Model from ~20 free parameters (quark masses, lepton masses, coupling constants, mixing angles, Higgs mass) to exactly zero. Every parameter is an exact rational fraction derived from the 3-4-5 triangle constants. The notorious "hierarchy problem" (why is the Planck mass 10¹⁷ times heavier than the weak scale?) is solved: MPl/v = (2/7) × α⁻¹, meaning the 17 orders of magnitude are simply α⁹ ≈ 10¹⁷.
Version 31.0 with complete derivations, validation data, and the Grand Unified Equation is available open-access on Zenodo:
View on Zenodo (Open Access) →Crawford, J. (2026). Constitutional Geometry Framework: Standard Model Parameters from 3-4-5 Triangle (v31.0). Zenodo. https://doi.org/10.5281/zenodo.18343487