← The evidence ledger
Evidence row 74974
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://evmstate.com/v1/state-batch/50
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 16bc28f3699300f1d29c4352c33e7c9f23e9eb4ed0d1b1ff5f65664879c8a7f9
- Leaf
- 0xe3e961c2b7955f26524bd76232dda899145df4e21a7ef17ee08a836be19cc434
What was observed
{
"endpoints": [
[
"x402",
"https://evmstate.com/v1/state-batch/50"
]
],
"name": "EVM State Batch",
"owner_address": "0xf33aee5d3c11153bbf1cfb076d0793de52f573e8",
"raw": {
"accepts": [
{
"amount": "100000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xF33aEE5D3c11153BbF1cFb076d0793DE52F573e8",
"scheme": "exact"
}
],
"description": "Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.10 USDC on Base for a batch of up to 50 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"checks": [
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "ethereum",
"id": "ethereum-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "base",
"id": "base-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "arbitrum",
"id": "arbitrum-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "optimism",
"id": "optimism-native-balance",
"type": "native_balance"
},
{
"address": "0x0000000000000000000000000000000000000000",
"chain": "polygon",
"id": "polygon-native-balance",
"type": "native_balance"
}
],
"requestId": "12345678-1234-4234-9234-123456789abc"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"expiresAt": "2026-11-01T00:00:00.000Z",
"recoveryUrl": "https://evmstate.com/v1/results/12345678-1234-4234-9234-123456789abc",
"requestId": "12345678-1234-4234-9234-123456789abc",
"results": [
{
"blockNumber": "0x18e456e",
"chain": "ethereum",
"id": "ethereum-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x31a5006",
"chain": "base",
"id": "base-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x1e729abb",
"chain": "arbitrum",
"id": "arbitrum-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x965919b",
"chain": "optimism",
"id": "optimism-native-balance",
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x5a67efe",
"chain": "polygon",
"id": "polygon-native-balance",
"type": "native_balance",
"value": "0x0"
}
],
"snapshotBlocks": {
"arbitrum": "0x1e729abb",
"base": "0x31a5006",
"ethereum": "0x18e456e",
"optimism": "0x965919b",
"polygon": "0x5a67efe"
},
"verification": "each result is a successful JSON-RPC response"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"checks": {
"description": "Only these checks run. Each check needs a unique id and supported chain. For a five-chain wallet snapshot, create one native_balance check for each supported chain using the same wallet address. The discovery example uses the valid all-zero address; replace it with the target wallet. Token and allowance checks need the token and spender targets already identified by the calling task.",
"items": {
"oneOf": [
{
"properties": {
"address": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"type": {
"const": "native_balance"
}
},
"required": [
"id",
"chain",
"type",
"address"
],
"type": "object"
},
{
"properties": {
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"owner": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"type": {
"const": "erc20_balance"
}
},
"required": [
"id",
"chain",
"type",
"token",
"owner"
],
"type": "object"
},
{
"properties": {
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"owner": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"spender": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"type": {
"const": "allowance"
}
},
"required": [
"id",
"chain",
"type",
"token",
"owner",
"spender"
],
"type": "object"
},
{
"properties": {
"address": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"type": {
"const": "contract_code"
}
},
"required": [
"id",
"chain",
"type",
"address"
],
"type": "object"
},
{
"properties": {
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"type": {
"const": "block_number"
}
},
"required": [
"id",
"chain",
"type"
],
"type": "object"
},
{
"properties": {
"block": {
"pattern": "^0x[0-9a-fA-F]{1,64}$",
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"data": {
"maxLength": 8194,
"pattern": "^0x(?:[0-9a-fA-F]{2})*$",
"type": "string"
},
"id": {
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"type": "string"
},
"to": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"type": {
"const": "eth_call"
}
},
"required": [
"id",
"chain",
"type",
"to",
"data"
],
"type": "object"
}
]
},
"maxItems": 50,
"minItems": 1,
"type": "array"
},
"requestId": {
"description": "Generate a fresh UUIDv4 for each new request and retain it to recover the exact paid result. The Bazaar example UUID is illustrative; replace it before calling.",
"pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$",
"type": "string"
}
},
"required": [
"requestId",
"checks"
],
"type": "object"
},
"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": {
"description": "Illustrative five-chain snapshot response. Block heights and values in this example are placeholders; live values are returned from the RPC providers when the request runs.",
"properties": {
"expiresAt": {
"type": "string"
},
"recoveryUrl": {
"type": "string"
},
"requestId": {
"type": "string"
},
"results": {
"items": {
"properties": {
"blockNumber": {
"type": "string"
},
"chain": {
"type": "string"
},
"id": {
"type": "string"
},
"type": {
"type": "string"
},
"value": {}
},
"required": [
"id",
"chain",
"type",
"blockNumber",
"value"
],
"type": "object"
},
"type": "array"
},
"snapshotBlocks": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"verification": {
"type": "string"
}
},
"required": [
"requestId",
"results",
"snapshotBlocks",
"verification",
"recoveryUrl",
"expiresAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-05T08:09:40.473Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-05T08:09:39.879Z"
},
"resource": "https://evmstate.com/v1/state-batch/50",
"serviceName": "EVM State Batch",
"tags": [
"evm",
"wallet",
"multi-chain",
"token",
"allowance"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Read-only EVM state API for wallet snapshots, ERC-20 balances, token allowances, contract code, block heights, and bounded eth_call reads across Ethereum, Base, Arbitrum, Optimism, and Polygon. Fixed price: $0.10 USDC on Base for a batch of up to 50 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs."
}What the leaf hashes
{"body":"16bc28f3699300f1d29c4352c33e7c9f23e9eb4ed0d1b1ff5f65664879c8a7f9","id":74974,"kind":"listing","method":"baseline/1","observed_us":1793025489892961,"prev":null,"subject":"x402_bazaar:https://evmstate.com/v1/state-batch/50","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).
- 0xe3e968c99e0086f81893aacbe38cd8c2a7e66fb4dff6af5c7cc0cc8dd15a297f
- 0xb621d35fec55fe3af653a8fa287294b63852de1b6e53f9fbb08d97ba37eeaf4b
- 0x4a1f5299deada71fa286ed250da9663cb1d7d3ba0dbb46630bf07f470423158d
- 0xad0455e540ba6a6f0385c733deb83cbe7a8b1b3be98089938ed8d6e892422cf2
- 0x01d49443269cceb873ae6822b39124005f705ba19fb6e788ca1344ef615ace86
- 0x0edd4fc57e1a39065eabb4b42b3de54422b72202f0533713f713c2faba752f17
- 0x0551bdff0efad6d0e27030951469ab8506bacb2e9feaf493ede8a4aa6f566b6a
- 0x5d8d2ba9f65e9ef357250a8669a0d031f1edc46ce19dd31db05eaeaf3d352ff7
- 0x5d55b33bd58a0ad2780c5672ea48198907b20ad50ef1642d2ded48f99c30f942
- 0x249b79bed19d1f9d60c6d935894d3c7f842961834c52c966852cddf05d69629d
- 0xb545b804be0d2933a674be6ac915c6c6235897d0274e66143aa7cf879b9d86a3
- 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
- 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
- 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae