{"definitionRoot":"f0e5e2d6ebd66bff22e9b1f3012b87d0bddb19421f637b5aade58b1a087020ab","docsPath":"/docs/EVM_SIGNATURE_RECOVER.json","errors":[{"code":null,"description":"The request field is invalid.","status":400},{"code":null,"description":"Payment Required - an x402 v2 offer in the PAYMENT-REQUIRED header and body.","status":402},{"code":null,"description":"The result could not be delivered.","status":422},{"code":null,"description":"The seller or the product quote path is not currently admitting this request.","status":503}],"examples":{"deliverable":null,"detail":"Concrete request/deliverable examples are omitted until real settled evidence supplies them; the no-fake-demand rule forbids inventing sample payloads. The envelope shapes above are exact.","request":null,"state":"OMITTED_UNTIL_REAL_EVIDENCE"},"family":"UTILITY","familyTitle":"Utility","freshness":{"evidenceCutoff":"Every delivered envelope states its own evidenceCutoff; requests may pin evidenceCutoff at or before quote time.","freshnessClass":"CACHEABLE_SNAPSHOT","latencyClass":"FAST","machineVersion":"df8b5c0c","outputDomainKind":null,"provenance":"The deliverable carries its own uncertainty statement; citations are opaque content hashes for the public evidence used."},"inputSchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false,"properties":{"expectedAddress":{"description":"Optional address to compare the recovered signer with.","type":"string"},"message":{"description":"EIP-191 personal_sign message (UTF-8 text by default), at most 16384 bytes. Provide message or typedData.","type":"string"},"messageEncoding":{"description":"\"utf8\" (default) or \"hex\" when message is 0x-prefixed raw bytes.","type":"string"},"signature":{"description":"0x-prefixed 65-byte (r||s||v, v 27/28 or 0/1) or 64-byte EIP-2098 compact signature.","type":"string"},"typedData":{"description":"EIP-712 typed data in the eth_signTypedData_v4 shape {types, primaryType, domain, message}.","type":"object"}},"required":["signature"],"type":"object","x-arbiter-contentType":"application/json","x-arbiter-schemaVersion":"1.0.0"},"method":"POST","operationId":"agenthubmachineevm_signature_recover","outputSchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"accountModel":{"description":"Always EOA_SECP256K1_ONLY.","type":"string"},"digest":{"description":"The 32-byte hash that was signed.","type":"string"},"expectedAddress":{"description":"The expected address (EIP-55) or null.","type":"string"},"matchesExpected":{"description":"Whether the recovered signer equals expectedAddress; null when none was given.","type":"boolean"},"program":{"description":"Program identity: {id, version, programRoot, registryRoot}.","type":"object"},"provenance":{"description":"Deliverable provenance: {basis: BUYER_SUPPLIED_INPUT_AND_ARBITER_AUTHORED_CODE, thirdPartyData: false, networkAccess: false, inputRoot, programRoot, outputRoot}. inputRoot is hashCanonical of your exact request (keys sorted, strings byte-exact).","type":"object"},"recoveredAddress":{"description":"Recovered signer (EIP-55).","type":"string"},"scheme":{"description":"EIP191_PERSONAL_SIGN or EIP712_TYPED_DATA.","type":"string"},"signature":{"description":"{format, yParity, lowS}: lowS false marks a malleable high-s signature that many verifiers reject.","type":"object"},"smartAccountNotice":{"description":"Statement that ERC-1271 / ERC-6492 smart-account signatures are not verifiable by this program.","type":"string"},"uncertainty":{"description":"Plain-language limits of this computation.","type":"string"}},"required":["scheme","digest","recoveredAddress","signature","accountModel","smartAccountNotice","program","provenance","uncertainty"],"type":"object","x-arbiter-contentType":"application/json","x-arbiter-schemaVersion":"1.0.0"},"payment":{"admitted":true,"challengeHeader":"PAYMENT-REQUIRED","destination":{"address":"0x63aA5960943865e7d57FDdF0D899eE36B6D2046E","assetContracts":["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85","0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392","0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","0x754704Bc059F8C67012fEd69BC8A327a5aafb603","0xaf88d065e77c8cC2239327C5EDb3A432268e5831","0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E","0x3600000000000000000000000000000000000000","0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],"bindingVersion":"a2f250e514c4a05c34efc98c49a4f4ac01a67770884883d19ff3a6487972ed90","networks":["eip155:1","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:43114","eip155:5042","eip155:8453"],"resolvable":true,"source":"x402_seller_configuration.payTo"},"logicalPaymentHeader":"ARBITER-LOGICAL-PAYMENT-ID","payToSource":"the canonical RevenueWalletResolver binding (x402_seller_configuration.payTo); never an environment value and never a literal","paymentIdentifier":{"extension":"payment-identifier","semantics":"Retries carrying the same payment identifier return the cached delivery with the same receipt: no second settlement, no second work, no second delivery credit.","supported":true},"processingSemantics":"A 202 means verification or settlement is still in progress; retry the same call with the same payment and the same payment identifier.","protocol":"X402_V2","protocolVersion":2,"quoteHeader":"ARBITER-QUOTE-ID","scheme":"exact","signatureHeader":"PAYMENT-SIGNATURE"},"pricing":{"currency":"USD","floorUsd":0.001,"mode":"DYNAMIC_QUOTE","ownerCeilingUsd":null,"pricingClass":"CACHEABLE_UNIT","publicStartingPriceUsd":0.001},"productId":"EVM_SIGNATURE_RECOVER","productVersion":"1.0.0","provenance":{"basis":"YOUR_INPUT","protocols":[],"sources":["Your request only, computed by Arbiter's own registered program (no third-party data, no network)"]},"resourceUrl":"https://arbiterverse.com/api/x402/EVM_SIGNATURE_RECOVER","schemaVersion":"1.0.0","summary":"Recovers the signer address of an EIP-191 personal_sign message (UTF-8 or hex bytes) or EIP-712 typed data from a 65-byte or 64-byte EIP-2098 signature, returns the signed digest, low-s status and, if you pass expectedAddress, whether it matches. Example request: {\"message\":\"hello\",\"signature\":\"0x...65 bytes...\",\"expectedAddress\":\"0x...\"}. Recovers externally owned account keys only: ERC-1271 and ERC-6492 smart-account signatures are not verifiable by this product.","title":"EVM signature recovery (EIP-191 / EIP-712)"}