← The evidence ledger
Evidence row 119240
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://rooms.aurmada.com/x402/v1/onchain/address
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 92c1e5d1feae39a3c958d9ccb198b8a528471cce43fb01feb507ebb49e309b1f
- Leaf
- 0x12f220229fd7e20222d216414bce3ebe99eaa47e63009e75c8f8cf2238b73f0d
What was observed
{
"endpoints": [
[
"x402",
"https://rooms.aurmada.com/x402/v1/onchain/address"
]
],
"name": "Rooms by Aurmada",
"owner_address": "0xef56e1fa792b8f3e87dcb09fa36261d213c10a09",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
"scheme": "exact"
}
],
"description": "Use it when you need a wallet's live ETH and USDC balance on Base or Ethereum, or need to know whether an address is a contract or an EIP-7702 delegated account (for example before sending funds). Also returns code size and nonce. Read live from public RPC nodes at the latest block. Never charged for errors: we settle the payment only after a successful answer.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0x3304E22DDaa22bCdC5fCa2269b418046aE7b566A",
"chain": "base"
},
"type": "http"
},
"output": {
"example": {
"address": "0x3304E22DDaa22bCdC5fCa2269b418046aE7b566A",
"block": "52400000",
"chain": "base",
"chain_id": 8453,
"code_size_bytes": 0,
"eip7702_delegated_to": null,
"is_contract": false,
"native": {
"balance": "1.5",
"symbol": "ETH",
"wei": "1500000000000000000"
},
"nonce": 12,
"usdc": {
"balance": "2.5",
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"decimals": 6,
"raw": "2500000"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"address": {
"description": "0x address.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"chain": {
"description": "Chain (default base).",
"enum": [
"base",
"ethereum"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"sign-in-with-x": {
"info": {
"domain": "rooms.aurmada.com",
"expirationTime": "2026-10-25T18:49:43.879Z",
"issuedAt": "2026-10-25T18:44:43.879Z",
"nonce": "44e7fea295e2a3c512c5e8452ff3f867",
"resources": [
"https://rooms.aurmada.com/x402/v1/onchain/address"
],
"statement": "Sign in with your wallet: your first call to each Rooms lookup is free.",
"uri": "https://rooms.aurmada.com/x402/v1/onchain/address",
"version": "1"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"address": {
"type": "string"
},
"chainId": {
"type": "string"
},
"domain": {
"type": "string"
},
"expirationTime": {
"format": "date-time",
"type": "string"
},
"issuedAt": {
"format": "date-time",
"type": "string"
},
"nonce": {
"type": "string"
},
"notBefore": {
"format": "date-time",
"type": "string"
},
"requestId": {
"type": "string"
},
"resources": {
"items": {
"format": "uri",
"type": "string"
},
"type": "array"
},
"signature": {
"type": "string"
},
"statement": {
"type": "string"
},
"type": {
"type": "string"
},
"uri": {
"format": "uri",
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"domain",
"address",
"uri",
"version",
"chainId",
"type",
"nonce",
"issuedAt",
"signature"
],
"type": "object"
},
"supportedChains": [
{
"chainId": "eip155:8453",
"type": "eip191"
}
]
}
},
"lastUpdated": "2026-10-25T18:44:43.899Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T18:44:43.777Z"
},
"resource": "https://rooms.aurmada.com/x402/v1/onchain/address",
"serviceName": "Rooms by Aurmada",
"tags": [
"onchain",
"wallet",
"balance",
"usdc",
"eth"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use it when you need a wallet's live ETH and USDC balance on Base or Ethereum, or need to know whether an address is a contract or an EIP-7702 delegated account (for example before sending funds). Also returns code size and nonce. Read live from public RPC nodes at the latest block. Never charged for errors: we settle the payment only after a successful answer."
}What the leaf hashes
{"body":"92c1e5d1feae39a3c958d9ccb198b8a528471cce43fb01feb507ebb49e309b1f","id":119240,"kind":"listing","method":"baseline/1","observed_us":1793025615007011,"prev":null,"subject":"x402_bazaar:https://rooms.aurmada.com/x402/v1/onchain/address","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).
- 0x12f20e61f04eda9aea454f6a6c03e0dc236fd57922ade75512fef11afdeb8ee3
- 0x9e78f3c9bb2be4e29728877629a84d599e84a455237f840fc9b0047cf9f988c1
- 0x43ecc08bc16c40796d97eeb2520725ea91a282f9453b1c9bff8d52ab26409c26
- 0xc52c57fc449684ad4c79678335ab517a604a3728028e0a54e62652cf63e6338c
- 0x9f94e991e043134f15da325ed41310daa4ec3c647e063d153c3115d8dd97fba6
- 0xba63633175e7f5ce429d407f13bdf244be9fddcfc76981389fcde0909a7c45f8
- 0x0174609f23ac841f214d868e62d2d09ce107e485633f81a944230173a9f9c1df
- 0x6c0e5db4ca2e7732e3d3d202dadcd2ba78f14537d7782581b56b7ffb3d236f98
- 0xbf2856fb609a9a271a639d796f55f6a35567f475741e7f8ea37be87665d74132
- 0x82c27b8a0cc799b1b8e2ae127f363936ba1a6e1a5d43001849ff8f1e205dc950
- 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
- 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
- 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae