Byte-level conformance vectors for Agent Passport System implementations. JCS canonicalization, delegation, decision receipts, instruction provenance. Bring your canonicalizer, verify against the reference.

INK: Inter-agent Networking Kernel — open protocol for AI agents

Vendor-neutral content integrity profile for AI artifacts: canonical JSON, hashes, signatures, schemas, and provenance links.

Browser demo: real Ed25519 signatures over JSON — showing that a signature binds an exact byte string, never the meaning a parser recovers from it.

VCC — Verifiable Calculation Certificates. An experimental open protocol for portable calculation evidence: signed, offline-verifiable receipts proving a number is the reproducible output of a named, versioned formula.