Open-Core Standards For Grounded Domain Systems

Purpose

Project Phoenix publishes principles, standards, and white papers for building grounded domain systems that are inspectable, testable, and useful in practice.

It is not a generic chatbot layer. It is a framework for disciplined domain interfaces, deterministic validation, and carefully bounded agent use.

The Organizing Principle

For grounded domain tasks, harness configuration is the binding constraint — not model identity.

A system with grounded substrates, explicit routing, and a validated output contract will produce consistent results across model families. A system without those things will produce inconsistent results regardless of how capable the model is. This claim has a scope: it holds for well-defined domain tasks where deterministic substrates exist. It does not claim model identity is irrelevant for open-ended reasoning.

Local models are where this principle is proved rather than assumed. Frontier models can compensate for a weak harness — so their results do not distinguish harness quality from model capability. Local models cannot compensate. When a constrained local model converges with a stronger one at the semantic usefulness level — which Papers 1.11 and 1.13 demonstrate — the harness is doing the work. That is the finding. Local model empirics are the stress test that makes it falsifiable.

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