Show HN: AERF – Ed25519-signed, hash-chained receipts for AI agent actions

Category: infrastructure

Tags: cryptographic-receipts, ai-agents, audit-trail

Score: 6.8/10 (Innovation: 7, Technical: 7, Documentation: 7, Utility: 6)

AERF defines a cryptographic receipt format for AI agent actions using Ed25519 signatures and hash chains, enabling independent verification without proprietary tools. It addresses the emerging need for auditable and tamper-evident logs in AI agent systems, positioning itself as a foundational standard akin to cosign for container images or SLSA for build provenance. Its reference verifier is a compact, stdlib-only Go implementation, and the specification is open for public review.

Target audience: backend devs, security engineers, data engineers

Repository: https://github.com/aerf-spec/aerf · Go · Apache-2.0

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