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Standards

Specifications maintained by legalproof.dev working groups. Drafts are open for public comment; ratified standards are eligible for certification.

6 of 6 standards · 4 working groups
LR-001Draft

ProofGraph Core Schema

The canonical machine-readable representation of legal reasoning as nodes, edges, claims, facts, authorities, defeaters, and conclusion status.

ProofGraph Schema WGv0.1 · 2026-05-11
LR-002Draft

AuthorityRef — Stable Legal Authority References

URN-style stable identifiers for statutes, cases, regulations, contracts, and administrative guidance.

Authority URN WGv0.1 · 2026-05-11
LR-003Draft

Legal Reasoning Status Vocabulary

Closed vocabulary of conclusion status codes (definitely_proven, defeasibly_supported, defeated, …).

ProofGraph Schema WGv0.1 · 2026-05-11
LR-004Draft

Status-at-Time Legal Reasoning

Rules for reasoning about law as of a given date — supersession, amendment, repeal, retroactivity.

Temporal Law WGv0.1 · 2026-05-11
LR-005Draft

Legal Reasoning Replay Metadata

Metadata required to deterministically replay a proof: engine version, knowledge graph version, rulebase version, retrieval trace.

ProofGraph Schema WGv0.1 · 2026-05-11
LR-006Draft

Legal Reasoning Attestation Receipts

Signed receipts for ProofGraph artifacts with redaction policies; future ZK-compatible.

Privacy & Attestation WGv0.1 · 2026-05-11
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© 2026 legalproof.dev · Public-interest standards.
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