Paper establishing that for an ontological substrate to remain neutral and stable under allowable frameworks that include persistent disagreement, causal or normative commitments cannot be part of the substrate itself.

Documentation site for Structural Explainability.

Authoritative specification of Structural Explainability (SE).

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

Authoritative specification of Accountable Entities (AE).

Lean 4 formalization of the contextual structural explainability layer.

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

Language-neutral, data-first contract for accountable records, verifiable exports, conformance reports, subject mappings, and package-based verification.

Provides generic contract loading, resolution, and validation machinery for Structural Explainability contract repositories.

Lean 4 formalization of the Governance Boundary.

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

Authoritative specification of Governance Boundary (GB).

Lean 4 formalization of the exchange protocol schemas.

Authoritative specification of the Evolution Protocol (EP).

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

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

Judicial accountable record system for opinions, claims, holdings, citations, dependencies, and later treatment.

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

Python reference implementation for staged Accountable Record repository verification.

Lean 4 formalization of the contextual structural explainability layer.