The full set registry defines UNIVERSAL as a top-level set with no parent, a rank 0 count of 3-5, an estimated 20-30 CXUs, and a REGULATED approval level so that universal knowledge is tightly controlled.

Appendix A: Full Set Registry

— PYRANA_Internal_Knowledge_Graph_Specification.md

| UNIVERSAL | — | 3-5 | 20-30 | REGULATED |

— PYRANA_Internal_Knowledge_Graph_Specification.md

| Set Name | Parent | Rank 0 Count | Est. CXUs | Approval Level |

— PYRANA_Internal_Knowledge_Graph_Specification.md