{"uid":"cap_JMW4DHPIVQwQYY7LuK3Dc","slug":"rubric-protocol-tiered-ai-decision-attestation-be318588","name":"Rubric Protocol Tiered AI Decision Attestation","description":"One post-quantum-signed AI decision attestation, anchored to Hedera mainnet HCS.","url":"https://rubric-protocol.com/v1/x402/tiered-attest","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"type":"object","description":"Arbitrary JSON content to be attested. Hashed and ML-DSA-65 signed; payment metadata is embedded in the attestation payload."},"agentId":{"type":"string","description":"Identifier of the calling agent (optional; defaults to x402-agent)"}}},"responseSchema":{"paid":"boolean","topic":"string","settled":"boolean","success":"boolean","algorithm":"ML-DSA-65","verifyUrl":"string — free public verification","attestationId":"string"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_z6_Ue0HD2RZe23O9oPXaL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Creates a post-quantum-signed (ML-DSA-65) attestation of an AI decision anchored to the Hedera mainnet HCS topic ledger","exampleAgentPrompt":"Create a post-quantum-signed attestation on Hedera mainnet for this AI decision — the model recommended approving loan application #LN-84821 — and give me a public verification URL I can share with auditors.","exampleUseCases":[{"title":"Loan approval decision audit trail","prompt":"Sign this loan approval decision with a post-quantum signature anchored to Hedera so we can prove to regulators exactly when and how the model recommended this applicant."},{"title":"Healthcare AI recommendation verification","prompt":"I need an immutable blockchain record proving our diagnostic AI recommended this treatment plan—can you create a quantum-resistant attestation I can show the patient and their physician?"},{"title":"Insurance claim denial proof","prompt":"Create a tamper-proof attestation for this claim denial decision our underwriting AI made, then give me a shareable verification link in case the claimant disputes it."}],"resultDescription":"Returns an attestationId, the Hedera HCS topic ID the record was anchored to, a public verifyUrl for free third-party verification, the ML-DSA-65 algorithm used, and boolean flags confirming payment was received (paid), the HCS transaction settled (settled), and the overall operation succeeded (success).","failureModes":["Payment not received or insufficient — paid returns false and attestation is not created","HCS transaction fails to settle — settled returns false, attestationId may still be returned but anchoring is unconfirmed","Invalid or malformed AI decision payload — 400 error before signing occurs","Hedera mainnet congestion causing delayed settlement confirmation","x402 payment protocol handshake failure — request rejected before processing begins"],"whenToPreferThis":"Choose this endpoint when you need a quantum-resistant, blockchain-anchored proof of an AI decision — specifically when auditability, regulatory compliance, or tamper-evidence is required and you want the Hedera Consensus Service as the public ledger. Prefer this over generic signing services when ML-DSA-65 (NIST post-quantum standard) signatures and a free public verifyUrl for third-party auditors are necessary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:38:07.500Z","isFirstParty":false}