← The evidence ledger
Evidence row 74972
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://evmstate.com/v1/state-batch
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ca067a5883614ad17da644d66d18d4eca736e46992e48d7268a03d749e64cdf5
- Leaf
- 0xb12f8ef18dc99686fd7305615a04c11afdb98a92d1795b4bd62254c301cbba50
What was observed
{
"endpoints": [
[
"x402",
"https://evmstate.com/v1/state-batch"
]
],
"name": "EVM State Batch",
"owner_address": "0xf33aee5d3c11153bbf1cfb076d0793de52f573e8",
"raw": {
"accepts": [
{
"amount": "50000",
"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: $0.05 USDC on Base for a batch of up to 25 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",
"requestChecks": [
{
"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",
"results": [
{
"blockNumber": "0x18e456e",
"blockNumberDecimal": "26101102",
"chain": "ethereum",
"check": {
"address": "0x0000000000000000000000000000000000000000",
"chain": "ethereum",
"id": "ethereum-native-balance",
"type": "native_balance"
},
"id": "ethereum-native-balance",
"interpretation": {
"amount": "1",
"baseUnits": "1000000000000000000",
"decimals": 18,
"kind": "native_balance",
"unit": "ETH"
},
"type": "native_balance",
"value": "0xde0b6b3a7640000"
},
{
"blockNumber": "0x31a5006",
"blockNumberDecimal": "52056070",
"chain": "base",
"check": {
"address": "0x0000000000000000000000000000000000000000",
"chain": "base",
"id": "base-native-balance",
"type": "native_balance"
},
"id": "base-native-balance",
"interpretation": {
"amount": "0",
"baseUnits": "0",
"decimals": 18,
"kind": "native_balance",
"unit": "ETH"
},
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x1e729abb",
"blockNumberDecimal": "510827195",
"chain": "arbitrum",
"check": {
"address": "0x0000000000000000000000000000000000000000",
"chain": "arbitrum",
"id": "arbitrum-native-balance",
"type": "native_balance"
},
"id": "arbitrum-native-balance",
"interpretation": {
"amount": "0",
"baseUnits": "0",
"decimals": 18,
"kind": "native_balance",
"unit": "ETH"
},
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x965919b",
"blockNumberDecimal": "157651355",
"chain": "optimism",
"check": {
"address": "0x0000000000000000000000000000000000000000",
"chain": "optimism",
"id": "optimism-native-balance",
"type": "native_balance"
},
"id": "optimism-native-balance",
"interpretation": {
"amount": "0",
"baseUnits": "0",
"decimals": 18,
"kind": "native_balance",
"unit": "ETH"
},
"type": "native_balance",
"value": "0x0"
},
{
"blockNumber": "0x5a67efe",
"blockNumberDecimal": "94797566",
"chain": "polygon",
"check": {
"address": "0x0000000000000000000000000000000000000000",
"chain": "polygon",
"id": "polygon-native-balance",
"type": "native_balance"
},
"id": "polygon-native-balance",
"interpretation": {
"amount": "0",
"baseUnits": "0",
"decimals": 18,
"kind": "native_balance",
"unit": "POL"
},
"type": "native_balance",
"value": "0x0"
}
],
"snapshotBlocks": {
"arbitrum": "0x1e729abb",
"base": "0x31a5006",
"ethereum": "0x18e456e",
"optimism": "0x965919b",
"polygon": "0x5a67efe"
},
"snapshotBlocksDecimal": {
"arbitrum": "510827195",
"base": "52056070",
"ethereum": "26101102",
"optimism": "157651355",
"polygon": "94797566"
},
"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": 25,
"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. The Ethereum example uses 1 ETH to show raw wei alongside its readable amount; other balances are zero. All addresses, heights, and values are examples, not live wallet data.",
"properties": {
"expiresAt": {
"type": "string"
},
"recoveryUrl": {
"type": "string"
},
"requestChecks": {
"description": "The normalized submitted checks, retained separately from result echoes so a recovered receipt can verify its wallet and contract targets.",
"items": {
"type": "object"
},
"type": "array"
},
"requestId": {
"type": "string"
},
"results": {
"items": {
"properties": {
"blockNumber": {
"type": "string"
},
"blockNumberDecimal": {
"type": "string"
},
"chain": {
"type": "string"
},
"check": {
"description": "The exact normalized check targets that produced this result.",
"type": "object"
},
"id": {
"type": "string"
},
"interpretation": {
"description": "Optional readable native/token amounts. ERC-20 symbol/decimals come from token contract metadata and are unverified; raw value remains authoritative.",
"type": "object"
},
"type": {
"type": "string"
},
"value": {}
},
"required": [
"id",
"chain",
"type",
"check",
"blockNumber",
"value"
],
"type": "object"
},
"type": "array"
},
"snapshotBlocks": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"snapshotBlocksDecimal": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"verification": {
"type": "string"
}
},
"required": [
"requestId",
"requestChecks",
"results",
"snapshotBlocks",
"verification",
"recoveryUrl",
"expiresAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-07T07:59:42.14Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T05:35:13.97Z"
},
"resource": "https://evmstate.com/v1/state-batch",
"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: $0.05 USDC on Base for a batch of up to 25 checks. Only submitted checks run. Results are provider-reported RPC data, not cryptographic proofs."
}What the leaf hashes
{"body":"ca067a5883614ad17da644d66d18d4eca736e46992e48d7268a03d749e64cdf5","id":74972,"kind":"listing","method":"baseline/1","observed_us":1793025489888699,"prev":null,"subject":"x402_bazaar:https://evmstate.com/v1/state-batch","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).
- 0xb12fc2a7ec85472c914f134ba0287e57746bc1b11899aecbef028e9dbedaaf6c
- 0x3e0bbd7d73de2bbcf9729f7c8314e4a78fa9ccf5b2d608e19f8fc4af13e23e16
- 0x52bd3a059c7874c4f67606d290a12dfff66bbc2ebc12fa05ecfd5c0fe8e33416
- 0x5242cf7ed333e5fa02304b6cba34b3a5f22f3932204fd9fdff04dc233de97449
- 0xb01339eaa13a37751771c5756a7878239428bbc3fae1f33dbee7036b8214c469
- 0x90f22a032c87c842e3fd84d8b8b7a58bf7c2f00dce3384762e5431e5bde8b6b4
- 0x8f946b4652aff5634cc23fe82792d3c9e8af1b0058a569dc16d7a9a224c9fe1e
- 0x561bf932aaf087b43d3bdc62a651c0691a9b518c93d26b2f5e6d0e27b3e89be6
- 0xfe760d927c146e0e56e6689bf773a2073125c3f350f60f5a25a4042ba3b1fd4e
- 0x55838b11251efb24add31c997e02aac1cdf6d78a790f4178057a4c2095a5d448
- 0x68459613b28284909eadec125bcf23808811e99ecfabc229bf7deb2178ab9826
- 0xce1aeb889b974291cea1fbfd01595655bd2c1b3636dc5b56eeb8904adb9f6c65
- 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
- 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae