Abstract The Threshloom Method addresses the critical failure of probabilistic generative models to maintain physical conservation laws under extreme force conditions. By reframing physical force from a generative prediction to a procedural input, this methodology enforces auditable truth within image and video substrates. The method is structured around three pillars: Substrate Invariance for coordinate stability, Causal Origin Mapping to anchor all deformations to a singular initiating event, and Exclusive Outcome Enforcement to prevent the averaging of mutually exclusive physical states. Threshloom defines a repeatable verification boundary for industrial contexts where approximate visuals constitute a failure condition. Methodology The Threshloom Method operates as a procedural governance layer rather than a physics simulation engine. It enforces physical consistency by constraining generative outputs to institutional records and declared causal events. Substrate Invariance requires that environmental geometry, camera position, and background coordinates remain fixed across all state changes, ensuring that perceived motion or deformation originates exclusively from the subject under evaluation. Causal Origin Mapping defines a single initiating event (T₀) as the source of all downstream effects. All fractures, shock propagation, and material deformation must be traceable to this declared origin, preventing diffuse or unanchored failure states. Exclusive Outcome Enforcement prohibits the averaging of mutually exclusive physical conditions. When a force threshold is exceeded, the system must resolve to a binary PASS or FAIL state, recorded directly within the image or frame substrate through institutional labels or inspection markers. Limitations and Boundaries The Threshloom Method does not perform real-time physical simulation or numerical force calculation within a model’s latent space. It does not claim predictive accuracy beyond declared procedural constraints. The method is currently limited to high-fidelity static imagery and sequential frame generation where institutional labels, inspection markers, or procedural records can be embedded as persistent substrate elements. Scenarios requiring continuous-time simulation or invisible internal state tracking fall outside the scope of this protocol. Threshloom is explicitly designed to expose and govern failure states, not to conceal or approximate them. Where physical conservation cannot be enforced, the method resolves to an explicit failure classification rather than a visually plausible substitute.