Every CXU stored in the graph must contain a claim field as a standalone assertion with a length of 15 to 70 words so that each unit remains self-contained and atomic.

Every CXU stored in the graph follows this structure:

— PYRANA_Internal_Knowledge_Graph_Specification.md

claim: str # Standalone assertion, 15-70 words

— PYRANA_Internal_Knowledge_Graph_Specification.md

CXU:

— PYRANA_Internal_Knowledge_Graph_Specification.md

### 5.1 CXU Anatomy (Recap)

— PYRANA_Internal_Knowledge_Graph_Specification.md