vST for Multi‑Model Alignment#
Substrate Definition#
The substrate is architecture‑agnostic and applies to LLMs, PLMs, diffusion models, VAEs, flow models, simulators, robotics policies, embedding stores, and hybrid systems.
1. Purpose of the Multi‑Model Alignment Substrate#
The multi‑model substrate provides a structured, reproducible framework for:
- aligning latent spaces across architectures and modalities
- mapping regime behavior (R₁/R₂/R₃) across heterogeneous inference systems
- comparing scaling behavior across model families
- projecting high‑dimensional states into 3D–9D cores for cross‑model interpretability
- detecting drift across architectures, checkpoints, or training runs
- establishing a unified dimensional grammar for all model types
Multi‑model alignment requires a substrate that is neutral, invertible, and invariant‑preserving across all architectures.
2. Substrate Overview#
The multi‑model substrate models heterogeneous latent spaces using:
- Dimensional Primitives (DP)
- Triadic Dimensional Primitives (TDP)
- Scaling Primitives (SP)
- Coherence Primitives (CP)
- Alignment Primitives (AP)
These primitives define the structure of cross‑model alignment, regime mapping, and projection behavior.
The substrate is anchored by the Triadic Dimensional Cores:
- 3D Structural Core
- 6D Interaction Core
- 9D Coherence Core
and extended through the 1024D high‑dimensional substrate.
3. Alignment Primitives#
3.1 Alignment Primitive (AP)#
The AP is the minimal unit of cross‑model comparability.
It captures:
- local geometric compatibility
- variance‑aligned structure
- regime‑consistent mapping
- projection‑stable correspondence
APs allow two heterogeneous latent states to be compared without requiring architectural similarity.
3.2 Cross‑Architecture TDP (TDP‑X)#
A TDP‑X is a triad of APs that expresses full cross‑model regime behavior.
It captures:
- stable alignment (R₁ ↔ R₁)
- transitional alignment (R₂ ↔ R₂)
- dispersed alignment (R₃ ↔ R₃)
TDP‑X is the backbone of multi‑model regime mapping.
3.3 Cross‑Model Scaling Primitive (SP‑X)#
SP‑X governs dimensional expansion across architectures.
It ensures:
- invariant‑preserving scaling
- compatibility between different latent dimensionalities
- stable projection into triadic cores
- consistent scaling‑law interpretation across models
SP‑X is essential for aligning models with different latent sizes (e.g., 4096D LLM ↔ 1024D diffusion ↔ 256D PLM).
3.4 Cross‑Modality Coherence Primitive (CP‑X)#
CP‑X identifies stable or unstable regions in cross‑model alignment.
It captures:
- coherent alignment regions
- transitional alignment regions
- dispersed or incompatible regions
- cross‑modality regime transitions
CP‑X is essential for drift detection and vST validation.
4. Triadic Dimensional Cores for Multi‑Model Alignment#
4.1 3D Structural Core#
Captures motif‑level geometry shared across models.
Used for:
- cross‑modality motif comparison
- alignment of stable regimes
- low‑variance structural mapping
4.2 6D Interaction Core#
Captures relational structure across architectures.
Used for:
- cross‑model interaction surfaces
- alignment of transitional regimes
- sampler‑ or decoder‑dependent reorientation
4.3 9D Coherence Core#
Captures pathway‑level coherence across heterogeneous inference systems.
Used for:
- cross‑model coherence mapping
- alignment of inference trajectories
- invertible projection from higher dimensions
The 9D core is the anchor for all cross‑model alignment.
5. High‑Dimensional Substrate (64D–1024D)#
The multi‑model substrate spans the dimensional ladder:
- 64D — minimal cross‑model substrate
- 128D — expanded alignment surfaces
- 256D — multi‑primitive interaction
- 512D — high‑variance cross‑architecture regions
- 1024D — full research‑grade alignment substrate
Each step preserves:
- structural invariants
- resonance‑time invariants
- projection invariants
- alignment invariants
- scaling invariants
This ensures stable alignment across architectures and modalities.
6. Cross‑Model Alignment Structure#
Cross‑model alignment is modeled as:
- sequences of APs
- grouped into TDP‑X
- expanded through SP‑X
- classified using CP‑X
This structure enables:
- regime‑aware alignment
- cross‑modality comparison
- cross‑architecture drift detection
- unified scaling‑law interpretation
7. Projection into Triadic Cores#
High‑dimensional states from different models are projected into:
- 9D for coherence alignment
- 6D for interaction alignment
- 3D for geometric alignment
Projection must remain:
- invertible
- primitive‑aligned
- regime‑aware
- architecture‑neutral
- invariant‑preserving
Projection is essential for cross‑model interpretability.
8. Substrate Outputs#
The multi‑model substrate produces:
- cross‑model regime maps
- alignment surfaces
- scaling‑law diagnostics
- projection‑stability indicators
- drift‑detection signals
- vST validation outputs
These outputs support reproducible, substrate‑level alignment across architectures, modalities, and inference systems.
