The ARC engine is Auxy's core diagnostic system that audits AI models across three operational dimensions: association mapping, relevance scoring, and citation tracking.

flowchart LR
    A[ARC Engine] --> B["Association Probes<br/>E2B / B2E / Q2B"]
    A --> C["Relevance Probes<br/>Direct Model Fit"]
    A --> D["Citation Tracking<br/>Grounded Sources"]
    B --> E[Parametric Memory]
    C --> E
    D --> F[Grounding & Retrieval]