← The evidence ledger
Evidence row 125673
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.agentutility.ai/contract-source
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- cd25c4b12c3fc5747b68ec5731cf303e1dfaccace016e5d26f69192643c9f67e
- Leaf
- 0xe15f6fb9ea43befcb40c91b94b3dd360d7d733079d93829f3c4084183515ef2a
What was observed
{
"endpoints": [
[
"x402",
"https://x402.agentutility.ai/contract-source"
]
],
"name": "AgentUtility.ai",
"owner_address": "0x6c0752c09e7f6fa6526fcdf40e456a159ebb5621",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "FJqAJ4dXkFbrp3EEo8E9x98iaBGUQwaU8Srz5ePfUXLH",
"scheme": "exact"
}
],
"description": "Returns verified source code and ABI for any deployed contract on Ethereum, Base, Optimism, Arbitrum, or Polygon. Includes is_verified, contract name, compiler version, parsed ABI, full source, license, optimizer settings, constructor args, and proxy implementation address. Use it as an Etherscan source lookup, contract ABI fetcher, or Solidity source lookup.",
"extensions": {
"bazaar": {
"discoverable": true,
"info": {
"input": {
"body": {
"address": "0x4200000000000000000000000000000000000006",
"chain": "base"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"abi": [
{
"inputs": [],
"name": "deposit",
"outputs": [],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"name": "wad",
"type": "uint256"
}
],
"name": "withdraw",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}
],
"address": "0x4200000000000000000000000000000000000006",
"chain": "base",
"compiler_version": "v0.4.18+commit.9cf6e910",
"constructor_arguments": "",
"is_verified": true,
"license": "None",
"name": "WETH",
"optimization": {
"enabled": false,
"runs": 200
},
"proxy": false,
"source": "https://etherscan.io",
"source_code": "pragma solidity ^0.4.18;\ncontract WETH9 { ... }"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "0x-prefixed 20-byte EVM contract address.",
"type": "string"
},
"chain": {
"description": "EVM chain. Default 'base'. Other supported: 'ethereum', 'polygon', 'arbitrum', 'optimism'.",
"enum": [
"base",
"ethereum",
"polygon",
"arbitrum",
"optimism"
],
"type": "string"
}
},
"required": [
"address"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"abi": {
"items": {
"properties": {
"inputs": {
"type": "array"
},
"name": {
"type": "string"
},
"outputs": {
"type": "array"
},
"stateMutability": {
"type": "string"
},
"type": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"address": {
"type": "string"
},
"chain": {
"type": "string"
},
"compiler_version": {
"type": "string"
},
"constructor_arguments": {
"type": "string"
},
"is_verified": {
"type": "boolean"
},
"license": {
"type": "string"
},
"name": {
"type": "string"
},
"optimization": {
"properties": {
"enabled": {
"type": "boolean"
},
"runs": {
"type": "integer"
}
},
"type": "object"
},
"proxy": {
"type": "boolean"
},
"source": {
"type": "string"
},
"source_code": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_awpbwsy3"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1783070352/bazaar-icons/54f004eda341546b.png",
"lastUpdated": "2026-10-12T13:31:16.254Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-12T13:31:15.995Z"
},
"resource": "https://x402.agentutility.ai/contract-source",
"serviceName": "AgentUtility.ai",
"tags": [
"edge-market",
"contract",
"source"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Returns verified source code and ABI for any deployed contract on Ethereum, Base, Optimism, Arbitrum, or Polygon. Includes is_verified, contract name, compiler version, parsed ABI, full source, license, optimizer settings, constructor args, and proxy implementation address. Use it as an Etherscan source lookup, contract ABI fetcher, or Solidity source lookup."
}What the leaf hashes
{"body":"cd25c4b12c3fc5747b68ec5731cf303e1dfaccace016e5d26f69192643c9f67e","id":125673,"kind":"listing","method":"baseline/1","observed_us":1793025626584704,"prev":null,"subject":"x402_bazaar:https://x402.agentutility.ai/contract-source","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).
- 0xe15f8f1e82de8bd53dcd34749cf30d8a7f15a1b5d5f66be79b28cf695a5cceee
- 0xd7b1f5c6ad33fc761b727cf2b8b0177392c8d6c2ba74f14e8f3045240e586a65
- 0x9f1331c93557a30b1365cb4beff34afd9c362159b276a1f208d579908aeee03e
- 0x5e000cac56b624d55acdb1afe060008ed43fc7bdc5a7480ee9424ebe019e6f4b
- 0x38ea9417a12dfda7d4e4e12a46cadd0d8f10e669acdcbde1b7ae6b26f182caa0
- 0x0c141136c83b2819162a9044fea29ad7b495158365e714f59159c22a61d896d0
- 0xcd0d428139cdf69520b01a4533b312e620f1a3e0e491a8c519b2744cced9401d
- 0xff96377938c41ab084afb4a2bdfe929b35e9106170f9604c1c01b956a7371ff8
- 0xe63f8e4581859c67f54bf7aee4c4a0debf8404ddbf6dd1964ec000823c4caa23
- 0x4b514c272cf743fead7500e2a90fbbb62a667f67d8a586fb32ddc4f005077e2e
- 0x82d0a2528274b883dc22fee84985c9c34404274baadfb76651d0008598f80bff
- 0x714c96bd488ccf4af927c8bc83397404f7f6f1b165b622d0e8216290209825e4
- 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae