{"role":"practice-and-display","statement":"This surface documents the handshake practice and displays the ledger. gsc-registry.ai is the one resolver — the authority on estate facts; the dpuone.ai keyring is the authoritative key set every GSC signature verifies from. The ledger itself lives with the transaction surface.","authoritative_resolver":"https://gsc-registry.ai/","authoritative_keyring":"https://dpuone.ai/.well-known/jwks.json","keyring_page":"https://dpuone.ai/keyring.html","ledger":"https://mcp.cpghumanintheloop.ai/handshake/ledger.json","as_of":"2026-08-24","signatures":[{"protected":"eyJhbGciOiJFUzI1NiIsImtpZCI6ImdzYy1jYXJkcy0yMDI2LTA4In0","signature":"ou8UB5U_-RZCKd94WvAFJzcSFqSqufnk6nMTITgLWnG1EXpiaRjRnTLTfdAffAahlKYivSiEnCSPUYHHKFpDZQ"}]}