← The evidence ledger
Evidence row 123832
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://verifylite.hydratinghealingtouch.workers.dev/chain/contract
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 72b35b6441c1101aec430eae29c0f2314c0e1036e95a8cff2aadae5b45925f91
- Leaf
- 0x0ed4153839d9f8059590c264162bbe90613fa6ee1be558264d2f9fa8329fbeb3
What was observed
{
"endpoints": [
[
"x402",
"https://verifylite.hydratinghealingtouch.workers.dev/chain/contract"
]
],
"name": "VerifyLite",
"owner_address": "0xb33134504393140cfd963d76f62907d660880932",
"raw": {
"accepts": [
{
"amount": "4600",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb33134504393140cfd963d76f62907d660880932",
"scheme": "exact"
}
],
"description": "Inspects one Base mainnet address: whether it holds contract code and how large, whether it is an EIP-1967 upgradeable proxy (and its implementation address), EIP-7702 delegation, and which standards it reports or behaves like (ERC-165, ERC-721 NFT, ERC-1155, ERC-20). Useful for knowing what kind of contract an agent is about to interact with or approve. Read-only. Not charged for an invalid address or when Base can't be reached.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"chain": "base",
"codeSizeBytes": 1942,
"interfaces": {
"erc1155": false,
"erc165": false,
"erc20Like": true,
"erc721": false
},
"isContract": true,
"proxy": {
"implementation": "0x…",
"standard": "EIP-1967"
},
"tool": "chain_contract"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"address": {
"description": "0x address on Base.",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"s": [
"cdp_sdk_server"
]
},
"schema": {
"$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"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"eip2612GasSponsoring": {},
"erc20ApprovalGasSponsoring": {}
},
"lastUpdated": "2026-10-22T15:50:44.162Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-22T15:50:43.468Z"
},
"resource": "https://verifylite.hydratinghealingtouch.workers.dev/chain/contract",
"serviceName": "VerifyLite",
"tags": [
"base",
"contract",
"proxy",
"nft",
"onchain"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Inspects one Base mainnet address: whether it holds contract code and how large, whether it is an EIP-1967 upgradeable proxy (and its implementation address), EIP-7702 delegation, and which standards it reports or behaves like (ERC-165, ERC-721 NFT, ERC-1155, ERC-20). Useful for knowing what kind of contract an agent is about to interact with or approve. Read-only. Not charged for an invalid address or when Base can't be reached."
}What the leaf hashes
{"body":"72b35b6441c1101aec430eae29c0f2314c0e1036e95a8cff2aadae5b45925f91","id":123832,"kind":"listing","method":"baseline/1","observed_us":1793025623766169,"prev":null,"subject":"x402_bazaar:https://verifylite.hydratinghealingtouch.workers.dev/chain/contract","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).
- 0x0ed3f920b4d72ad02f1a8fc529543ce755e39ded01cd4cb41908b345266c2095
- 0x7df1869de2f9ef1444fff804301626d3aead01f47072e3cfa622310bc3636276
- 0xb80281b367b9cefa49f6003ad961a4423b889dd71b349fceb3bf9f49cd2aa766
- 0x86df392bc4363a6602542060eb921afc0e1e29f32d3cc32527718080e7fdcb9b
- 0x475531c606c1d01b15b554793b14833852f486fba8b5a5f95dd14094a9333eb9
- 0x77b9afe8a7f0f0642d095dc099819ce5767e97dd251dd126a1331489830d0422
- 0x6ce9c1dad603af82cf9e3492590406b6423efebc4eb16d2c216e78b39466e861
- 0x39c993aee2a5428d6a0c92ddbb1ef8996dcb2fc69064c931cbadde141c775e27
- 0x061f864aa82c22129e1031b68ea919327e35db597f44b1fc37a1f37afe9f7869
- 0x71ffcb65a88e86a1eb62c2f563421c7dd09940039307ac72165f6ab3e008aaa6
- 0x1e6a5f0042a4b7776e54cf79ce729b60eac17c4eb209cc9613fcd31c9fa0d26c
- 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
- 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae