Lean 4 formalization of the contextual structural explainability layer.

Lean 4 formalization of the neutral structural substrate for Structural Explainability, defining admissibility, separation, and substrate invariants independent of identity regimes.

Lean 4 formalization of the Governance Boundary.

Authoritative specification of Governance Boundary (GB).

Lean 4 formalization of the contextual structural explainability layer.

Documentation site for Structural Explainability.

Structural Explainability mapping examples for Grade 8 mathematics (CTX -> NOR), including NAEP, CCSS, and international systems, includes validation and coverage matrix generation.

Authoritative specification of Structural Explainability (SE).

Lean 4 formalization of Accountable Entities (AE): six named entity kinds and their mapping to six identity regimes.

Lean 4 formalization of the necessary and sufficient identity-and-persistence regimes for neutral accountability substrates.

Interactive decision tree for classifying objects into Structural Explainability identity and persistence regimes.

Administrative tooling and automation for enforcing Structural Explainability (SE) standards across repositories.

Authoritative specification of Contextual Evidence & Explanations (CEE).

Lean 4 formalization of foundational transformation theory for Structural Explainability.

Lean 4 formalization of the exchange protocol schemas.

Authoritative specification of the Evolution Protocol (EP).

Invariant primitives and structural constants for the Structural Explainability (SE) ecosystem.

Lean 4 formalization of Structural Explainability integration, composing substrate and identity regimes into cross-cutting theorems, traceability, and system-level invariants.

Authoritative specification of Accountable Entities (AE).

Canonical SE_MANIFEST.toml schema for Structural Explainability; dependency-free base layer for manifest validation.