Foundational Core
- urf-core — definitions, field registries, and coordination.
- chronos-urf-rr — information-theoretic depth and witness layer.
Verification & Audit
- urf-verifier — deterministic verification infrastructure.
- urf-open-review-ledger — private audit/protocol staging layer; public ledger pending sanitized release.
Formal Verification Boundary
- Formal Verification Boundary — public scope boundary for Lean 4, reproducible proof artifacts, SHA-256 ledger policy, HepLean/PhysLean comparison limits, mainstream-impact language, and open-problem claims.