{"service":"Crest Verification Service","description":"Independent conformance verification for x402 action_ref work-receipt binding","version":"0.3.0-x402v2","operator":"Crest Deployment Systems LLC","endpoints":{"health":"GET /health","verify":"POST /verify (first call FREE, no wallet; then x402 $0.01 USDC on Base)","profile":"GET /profile/:wallet"},"conformance":"https://github.com/andysalvo/action-ref-verify","spec":"SHA-256(JCS(RFC 8785)(preimage)) -- action_ref derivation","normative_references":{"canonicalization":"x402-foundation/x402 PR #2436","fixtures":"x402-foundation/x402 PR #2398","ietf_draft":"draft-vauban-x402-stark-receipts-01"}}