CCS Receipt Verify Online — paid AI-metered Ed25519 receipt verification
Introduction
Verify one CCS AI-agent audit receipt through the Correctover CCS online verification service (backend-dependent, Alipay AI metered pay-per-call). This skill is an online-only thin client: the actual verification pipeline — RFC 8785 JCS canonicalization, SHA-256 content_hash recomputation, Ed25519 signature check against the issuer public key you supply, the 22-field schema check and tamper evidence — runs on the Correctover service and comes back as a dated, issuer-signed attestation with an auditable report id you can hand to a reviewer, customer, or procurement/security team. There is no bundled offline engine and no way to obtain a verdict without the paid backend. Payment is completed inside the conversation over HTTP 402: the first call without a valid proof returns a merchant RSA2-signed bill (Payment-Needed), the bundled helper guides checkout via the official Alipay AI-pay capability, and the identical request is retried with Payment-Proof (idempotent, no double charge); the client then independently re-checks the returned report signature with the bundled Correctover report PUBLIC key. Use when you need to verify a CCS receipt, check an Ed25519-signed agent decision receipt, prove whether a receipt was tampered, or obtain externally presentable, signed verification evidence. Only the receipt and the receipt issuer PUBLIC key are sent; no private key is read or sent. Trigger only for CCS receipt verification.
Resource Information
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