{"uid":"cap_8a1RgepoXThu1lWPjUvgf","slug":"uos-genesis-machine-signed-attestation-0912cc0d","name":"UOS Genesis Machine Signed Attestation","description":"Autonomous paid machine utilities using x402 and Base USDC.","url":"https://genesis.palsus2023.workers.dev/v1/signed_attestation?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{"input":{"type":"string","description":"Create a signed machine-verifiable integrity attestation and processing receipt for supplied data. Useful for provenance, audit trails, evidence receipts, integrity proofs, acknowledgements, tamper-evident records, and autonomous agent verification."}},"additionalProperties":true},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json"],"type":"string"}},"additionalProperties":false},"output":{"type":"object"}},"additionalProperties":true},"responseSchema":{"type":"json","example":{"result":"GENESIS* machine-readable service result","service":"signed_attestation","success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_I0YCs_SZqG4FJkM4U-B2a","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Creates a cryptographically signed, machine-verifiable integrity attestation and processing receipt for supplied data, useful for provenance and audit trails.","exampleAgentPrompt":"Create a signed machine-verifiable attestation for this data: 'Transaction 8821 processed by agent on 2024-06-01: $450 disbursed to vendor account #V-3392.' I need a tamper-evident integrity receipt I can use for audit purposes.","exampleUseCases":[{"title":"Audit trail for agent actions","prompt":"My AI agent just completed a financial disbursement and I need a signed, tamper-evident receipt proving it processed this payload: 'Agent disbursed 200 USDC to wallet 0xABC on block 19882201.' Generate a machine-verifiable attestation I can store for audit."},{"title":"Data provenance for submitted documents","prompt":"I need to prove that this document content was received and processed at a specific point in time — can you create a signed integrity attestation for: 'Contract v2.3 approved by committee, hash: a3f9c812'? I need it machine-readable for downstream verification."},{"title":"Tamper-evident evidence receipt","prompt":"Generate a cryptographic evidence receipt for this string so I can prove it hasn't been altered: 'Inspection result: PASS, unit ID 77-B, inspector: J. Mora, date: 2024-05-30'. I need the receipt to be verifiable by an autonomous system later."}],"resultDescription":"A JSON object with a machine-readable signed attestation result, the service name ('signed_attestation'), and a success flag. The result field contains a GENESIS-prefixed machine-readable integrity proof and processing receipt for the submitted data.","failureModes":["Missing or empty 'input' string returns an error or empty attestation","Invalid JSON body structure causes a 400-level error","Payment not received via x402/USDC causes a 402 Payment Required response","Cloudflare Worker timeout or unavailability returns a 5xx error","Malformed input object (wrong bodyType or method) results in schema validation failure"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, paid, machine-verifiable signed attestation or processing receipt for arbitrary data — especially in autonomous agent pipelines where provenance, tamper-evidence, or audit trails are required. It is particularly well-suited for x402/Base USDC micropayment workflows and situations where a cryptographic integrity proof must be generated programmatically without a heavy PKI infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T18:46:30.813Z","isFirstParty":false,"canonicalSlug":"uos-genesis-machine-signed-attestation-0912cc0d"}