{"uid":"cap_auADYAlbif9AW1kcIkAU3","slug":"genesis402-proof-receipt-verifier-df9a4c3e","name":"Genesis402 Proof Receipt Verifier","description":"Verify a genesis402 signed receipt — signature and hash-chain position — Genesis402 / UnyKorn Operator Network","url":"https://twin.unykorn.org/verify-receipt?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"params":{"type":"object","properties":{"receiptId":{"type":"string","pattern":"^[A-Za-z0-9_\\-]{4,80}$"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"verify-receipt","chain":{"anchor":"UNANCHORED","receipts_on_chain":3},"found":true,"issuer":{"alg":"ed25519","keyId":"g402-key-<16hex>"},"receipt":{"seq":3,"sha256":"<64hex>","truthLabels":["ATTESTED","VERIFIED"],"receiptVersion":"genesis402-receipt-v1"},"verdict":"valid","signature_valid":true}},"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_bZK5nKE1Fx5eR6tSHoxHX","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":"Verifies a genesis402 proof receipt by checking its Ed25519 signature and hash-chain position within the UnyKorn Operator Network","exampleAgentPrompt":"Can you verify genesis402 receipt ID 'rK3xZ9mQpL7vB2wY' to confirm its signature is valid and check where it sits in the hash chain?","exampleUseCases":[{"title":"Audit a payment attestation receipt","prompt":"I received a genesis402 proof receipt with ID 'pT8nA4cDqW2sF6mH' from a vendor — can you check if its Ed25519 signature is valid and whether it's been attested in the UnyKorn hash chain?"},{"title":"Automated pipeline receipt integrity check","prompt":"Before I finalize this workflow step, verify that genesis402 receipt 'Yz5JkR1bXvM9eNqU' is valid and shows ATTESTED in its truth labels."},{"title":"Dispute resolution receipt confirmation","prompt":"We have a dispute about whether a transaction was recorded — verify genesis402 receipt 'Lw7GcS3tHnP0dK4V' and tell me its chain sequence number, anchor status, and whether the signature checks out."}],"resultDescription":"Returns a JSON object with: a boolean verdict ('valid'/'invalid'), signature_valid flag, the receipt's sequence number and SHA-256 hash, truth labels (e.g. ATTESTED, VERIFIED), the issuer's algorithm and key ID, chain anchor status, total receipts on chain, and the receipt version string.","failureModes":["Receipt ID not found — found: false returned","Invalid receiptId format (must match ^[A-Za-z0-9_\\-]{4,80}$) — request rejected","Signature verification failure — verdict: invalid, signature_valid: false","Network or upstream node unavailability — HTTP 5xx error","Malformed or tampered receipt data causing hash mismatch"],"whenToPreferThis":"Choose this endpoint when you need to cryptographically validate a genesis402-format proof receipt, specifically checking Ed25519 signature authenticity and hash-chain sequence position within the UnyKorn Operator Network. Prefer it over generic hash-check tools when you need structured truth labels (ATTESTED, VERIFIED) and issuer key metadata from the genesis402 receipt schema.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:55:33.863Z","isFirstParty":false,"canonicalSlug":"genesis402-proof-receipt-verifier-df9a4c3e"}