← The evidence ledger
Evidence row 125409
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402-research-iota.vercel.app/api/firm/risk-snapshot
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3ca6d59c3530ed7e49af9bdf28026f0c2dabb61c58e96320baebf98b11ecbd75
- Leaf
- 0x1e4c6cc511f774510b1d01bdac4955915e1f95ad508fd68ac44a8ca1c83f3802
What was observed
{
"endpoints": [
[
"x402",
"https://x402-research-iota.vercel.app/api/firm/risk-snapshot"
]
],
"name": "x402-research-iota.vercel.app/api/firm/risk-snapshot",
"owner_address": "0xa26f179e42836bc4ae0cea997fdfc9602d5b8147",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xa26f179e42836bc4ae0cea997fdfc9602d5b8147",
"scheme": "exact"
}
],
"description": "Use before interacting with an unfamiliar Base (chain 8453) address: returns a public-data red-flag snapshot (contract vs EOA, EIP-7702 delegation, source verification, upgradeable proxy, age, activity, ETH/USDC balance, risk level). Pass ?address=0x... Errors: 400 invalid address. Informational only.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"type": "http"
},
"output": {
"example": {
"accountType": "contract",
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"ageDays": 1162,
"balances": {
"eth": 0.0098,
"usdc": 0
},
"chainId": 8453,
"firstSeenAt": "2023-08-18T18:36:29.000Z",
"flags": [
{
"code": "upgradeable_proxy",
"detail": "Upgradeable proxy; logic can change.",
"level": "medium"
}
],
"proxy": {
"admin": "0x4fc7850364958d97b4d3f5a08f79db2493f8ca44",
"implementation": "0x2ce6311ddae708829bc0784c967b7d77d19fd779",
"standard": "ZeppelinOS-legacy",
"upgradeable": true
},
"riskLevel": "medium",
"sentTxCount": 0,
"signed": false,
"verified": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"accountType": {
"enum": [
"contract",
"eoa",
"eoa_eip7702_delegated"
],
"type": "string"
},
"address": {
"type": "string"
},
"ageDays": {
"type": "number"
},
"balances": {
"properties": {
"eth": {
"type": "number"
},
"usdc": {
"type": "number"
}
},
"type": "object"
},
"chainId": {
"type": "number"
},
"firstSeenAt": {
"type": "string"
},
"flags": {
"items": {
"properties": {
"code": {
"type": "string"
},
"detail": {
"type": "string"
},
"level": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"proxy": {
"type": "object"
},
"riskLevel": {
"enum": [
"low",
"medium",
"high",
"unknown"
],
"type": "string"
},
"sentTxCount": {
"type": "number"
},
"signed": {
"type": "boolean"
},
"verified": {
"type": "boolean"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T01:18:47.453Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-25T01:18:47.328Z"
},
"resource": "https://x402-research-iota.vercel.app/api/firm/risk-snapshot",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use before interacting with an unfamiliar Base (chain 8453) address: returns a public-data red-flag snapshot (contract vs EOA, EIP-7702 delegation, source verification, upgradeable proxy, age, activity, ETH/USDC balance, risk level). Pass ?address=0x... Errors: 400 invalid address. Informational only."
}What the leaf hashes
{"body":"3ca6d59c3530ed7e49af9bdf28026f0c2dabb61c58e96320baebf98b11ecbd75","id":125409,"kind":"listing","method":"baseline/1","observed_us":1793025626161620,"prev":null,"subject":"x402_bazaar:https://x402-research-iota.vercel.app/api/firm/risk-snapshot","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).
- 0x1e4c2fcb94eaf23912cffe411f18695e02556cd6cd43621dc33650c5562d156e
- 0x249be721b31167941d9284f9744b48f3857f68178f52f8263a3564efd7888658
- 0x609123274165d76a3d9d48da3c20dc1116dbde754e70a9e089b23b6158d9a3ed
- 0xdcc5276a9b0ba2479d5a47b8a26f81bc137f52ecdc224f23548a55a8f535ffea
- 0x2e901051c7f1d822dff4f2bde7f81e05c35ddb04291859af8de15599fb4de0bd
- 0xfd9c9d3b776415015ffe566827048eb3c8a113cb096056ba0ee786e5b405c624
- 0xeb03b4dd5bafd86a03ffe058d4942d0ddf652012c49a375a199b5f204f78c1c1
- 0x224cdece4d57f4c9328e098ca577c551b8031d92e9804e7e801edd62413e3fdd
- 0x04e47d3073e5cbce2e0372424be0b1280c053b6fc58275ca540924234ead7ca1
- 0x25369e64d1405d0c4e7fe9646ccf55bf37eedc440887efa43e03c57f5c2a6707
- 0xf0f77ed1d484625ddaf2f6e58baa64c9dec47a22b1a6beb91219a17bddac7dfa
- 0x8e3531af6dd328ff9a174dd19751228f67fa0773c68a89edf859dffbd7b098c3
- 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
- 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
- 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
- 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae