Verdict Desk is an autonomous agent that turns an AI agent's decisions into verifiable evidence dossiers for legal and compliance workflows. Instead of trusting an operator-controlled log, each dossier freezes the evidence the agent saw, records the claims it made, and produces a deterministic verdict that can be checked again later. Every dossier enters a SHA-256 hash-chained ledger, so any edit, deletion or swap breaks the chain and is detectable. Verification does not rely on a single operator. Each ledger head is witnessed independently by Bitcoin through OpenTimestamps, by the Sigstore transparency log, and on Ethereum Sepolia through a Chainlink CRE workflow (contract 0x50443D51Db71A61E131B147B1d36aF21d48CDdF7), which re-derives the verdict before anchoring it. The result is a downloadable evidence package that a lawyer or compliance reviewer can inspect without taking the operator's word for it. The live demo is at https://andriyamaro.github.io/verdict-desk and the open-source code is at https://github.com/AndriyAmaro/verdict-desk. A narrated demo video shows the dossier, the verification flow and the independent witnesses in action.
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