Crosswalk

Subject, Included, Relevant, Excluded — the identity-first retrieval system.

Where Crosswalk sits in the governed inference pipeline and how it connects to other modules.

Tier 1

Workshop

Governed public-model overlay. Assists judgment.

Tier 2

Refinery

Closed inference with sovereign models. Fails closed.

Tier 3

Clean Room

Air-gapped sovereign deployment. Fails hard.

System Model

Platform Architecture

Trust boundaries, topology, and the full enforcement model.