← The evidence ledger
Evidence row 69728
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.vextorium.com/revisar-firma-pago
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b6f40e0d95cf0661e9d121df9ea6ebf9c0bec8ab3302a110fe64032973e4411b
- Leaf
- 0x9f34d30fe25530f4377158c35940f4aeaedbb40439d7d93b31d8340e82a50e05
What was observed
{
"endpoints": [
[
"x402",
"https://api.vextorium.com/revisar-firma-pago"
]
],
"name": "Vextorium",
"owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
}
],
"description": "Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"datos_firma": {
"domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"message": {
"from": "0x1111111111111111111111111111111111111111",
"nonce": "0xabababababababababababababababababababababababababababababababab",
"to": "0x2222222222222222222222222222222222222222",
"validAfter": "1790634093",
"validBefore": "1790634453",
"value": "10000"
},
"primaryType": "TransferWithAuthorization",
"types": {
"TransferWithAuthorization": [
{
"name": "from",
"type": "address"
},
{
"name": "to",
"type": "address"
},
{
"name": "value",
"type": "uint256"
},
{
"name": "validAfter",
"type": "uint256"
},
{
"name": "validBefore",
"type": "uint256"
},
{
"name": "nonce",
"type": "bytes32"
}
]
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"alertas": [],
"aplicacion": "USD Coin",
"contrato_verificador": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"hash_a_firmar": "0x06a81ecc73b8782ba9eb12a8dabd4e939c996fdf315485be12b25b0272724806",
"hash_del_mensaje": "0xa77c7438121ad832f331edb2dd5a83d0eb089d6d9ebc14b26dc245ea9f447b32",
"nota": "Compara 'hash_a_firmar' con el que muestre tu wallet: si coinciden, firmas exactamente esto.",
"red": "Base",
"resumen": {
"accion": "Autorizar un pago (EIP-3009, el que usa x402 en redes EVM)",
"desde": "0x1111111111111111111111111111111111111111",
"importe": "0.01 USDC",
"para": "0x2222222222222222222222222222222222222222",
"token": "USDC oficial",
"valido_desde": "2026-09-28 22:21 UTC",
"valido_hasta": "2026-09-28 22:27 UTC"
},
"separador_de_dominio": "0x02fa7265e7c5d81118673727957699e4d68f74cd74b7db77da710fe8a2c7834f",
"tipo": "TransferWithAuthorization",
"veredicto": "ok"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"datos_firma": {
"description": "EIP-712 object as passed to eth_signTypedData_v4: domain, types, primaryType, message",
"type": "object"
}
},
"required": [
"datos_firma"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alertas": {
"items": {},
"type": [
"array",
"null"
]
},
"aplicacion": {
"type": [
"string",
"null"
]
},
"contrato_verificador": {
"type": [
"string",
"null"
]
},
"hash_a_firmar": {
"type": [
"string",
"null"
]
},
"hash_del_mensaje": {
"type": [
"string",
"null"
]
},
"nota": {
"type": [
"string",
"null"
]
},
"red": {
"type": [
"string",
"null"
]
},
"resumen": {
"properties": {
"accion": {
"type": [
"string",
"null"
]
},
"desde": {
"type": [
"string",
"null"
]
},
"importe": {
"type": [
"string",
"null"
]
},
"para": {
"type": [
"string",
"null"
]
},
"token": {
"type": [
"string",
"null"
]
},
"valido_desde": {
"type": [
"string",
"null"
]
},
"valido_hasta": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"separador_de_dominio": {
"type": [
"string",
"null"
]
},
"tipo": {
"type": [
"string",
"null"
]
},
"veredicto": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-09-29T16:54:18.471Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-09-29T16:54:18.184Z"
},
"resource": "https://api.vextorium.com/revisar-firma-pago",
"serviceName": "Vextorium",
"tags": [
"eip-712",
"signature",
"security",
"permit",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet."
}What the leaf hashes
{"body":"b6f40e0d95cf0661e9d121df9ea6ebf9c0bec8ab3302a110fe64032973e4411b","id":69728,"kind":"listing","method":"baseline/1","observed_us":1793025478867949,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/revisar-firma-pago","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x9f34a87fbcd2d0c39d04b3646c7599a5a915bc37dc31228ee879dc2c02fe3050
- 0x419fd98c7c698e45904be481633174b803df5d51b57520fcb5189be142e4c516
- 0xe5b779c2ade477909668d31e713faab4d20c72a46f913e578d404baaf0650f39
- 0xd1a75ef75222101abb834852222f02bec6bff3e2087fb7c8aa6d056bc91d30d0
- 0xe660cbd50b2e48bbcc2413e3bf65029b7d0c15d6dc6a3bc80fe2ca3e675a9adc
- 0xb26d1ebf5141f2bbf3f5696376822a833e2f3d0ebe77ec64a1bf137bb364ec68
- 0x530f131473ee0dd4b92100cd709665327de4f027631d09c2f737104200fbc2eb
- 0x955fe2830b865ec5196decde7cfc0d0e441ef94c1227f98a1191bb9bc397ae36
- 0xbf6dfb6ad02451c61f11aaaf5c1f5df9c339144fa23414dbf80d31edd4a93d47
- 0xf41043f542980b32be9b3ced5ce838546c4aba89c89cec784be33684bd2a251c
- 0xb5a5da1d8cc5364d4e1e81f176a4bcbca86e02bf02b30e06db118bb7f2c487a8
- 0x6367dad81ab5c2e6f424ad3e06310c9b75079293d62a08dfbde98ef993c35229
- 0xf8d3e004d9a208d2c5e82ab676956d80f8a3c78387c61dad15a3a8269efee0d8
- 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae