AERF – cryptographic receipts for AI agents, like cosign for evidence
Cosign for AI agents: cryptographically signed receipts for every agent action.
Agent Evidence Receipt Format (AERF) — an open specification for tamper-evident, independently verifiable records of AI agent actions.
Cosign for agent evidence with compliance mappings, but still draft spec.
Compliance teams, AI governance engineers, auditors
cosign · SLSA · sigstore
Cosign for AI agents: cryptographically signed receipts for every agent action.
Ed25519-signed action receipts for AI agents with hash-chained local audit logs.
Ed25519 signed receipts solve AI agent accountability across org boundaries.
Governance rules live in version-controlled YAML and can be applied either by decorating functions with @sanna_observe or by dropping a gateway between an MCP client and downstream tools. It emits portable Ed25519-signed receipts you can persist and verify, which is a neat, practical way to build an auditable trail — the tough part will be ecosystem adoption around MCP and agent integrations.
Reintroduces economic friction to AI agents via stake-gated execution—genuinely novel.
Ed25519-signed benchmark receipts when most AI claims are unverifiable marketing.