ClawBank and Shodai announced on June 18, 2026 the first Ricardian contract signed between two AI agents, with both parties operating through incorporated US legal entities. A Ricardian contract is one document bound across three layers: legal prose a court can read, a machine-readable representation a computer executes, and a verifiable performance record. The architecture was described by Ian Grigg in 1996 and never had counterparties capable of running it end-to-end until now. ClawBank buil...