VARI is an AI output verification tool that sits between AI-generated legal work product and professional use, independently checking citations, briefs, and documents against authoritative sources of record. It does not generate legal content; its function is to verify content produced by other AI tools before attorneys or legal professionals rely on it.
Key features and functions include:
Verity — Citation Verification
Verifies that a cited authority exists in CourtListener's federal case database, remains current, and supports the proposition for which it is offered. Returns a court-defensible compliance certificate in under 90 seconds.
Retrospect — Brief Verification
Independently verifies citations and legal assertions across an entire filing before submission. Retrospect also supports backward audit of previously filed briefs to identify citations that were fabricated, overruled, or mischaracterized.
Rubicon — Enterprise Source Verification
Compares AI-assisted work product against an organization's own designated sources of record, such as internal policies or private documents. Documents uploaded to Rubicon are used solely for the verification session and are not retained after the session concludes.
Adversarial Three-Agent Architecture
Each verification runs through a three-agent structure: an Advocate that builds the case for the citation or claim, an Adversary from a different AI vendor that challenges it, and an Arbitrator that resolves the debate. A deterministic auditor — with no LLM involvement — produces the final verdict and overrides LLM judgment on hard verification failures.
SHA-256 Compliance Certificates
Every completed verification produces a PDF certificate containing the full deliberation trail, methodology disclosure, and a SHA-256 cryptographic hash. The certificate is designed to be attached to a court filing or matter file as documented due diligence.
Platform-Agnostic Integration
VARI verifies output from any AI generation tool, including Harvey, Lexis AI, Westlaw AI, CoCounsel, Microsoft Copilot, ChatGPT, Claude, and Gemini. It offers a RESTful API for programmatic certificate delivery and enterprise and white-label deployment options.
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