← The evidence ledger
Evidence row 75106
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://fetchgate.dev/v1/token/check
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3b6bb05cf514fd3596c1bcb216488db82d99633f029da24b92a5f442e33117f4
- Leaf
- 0xe9edeeb7811aaa8693c70d08a3a92da500efc6cc9ae1adfa1bab0d1a683eda01
What was observed
{
"endpoints": [
[
"x402",
"https://fetchgate.dev/v1/token/check"
]
],
"name": "fetchgate.dev/v1/token/check",
"owner_address": "0xa7b8086b782783c4646f15432db1f19927805f90",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "Base token risk check before a swap: send a token contract address, get ok / caution / avoid with reasons. Reads the contract (ERC-20 metadata, owner, upgradeable proxy, mint / pause / blacklist / fee selectors in bytecode) and its DEX liquidity (Uniswap + Aerodrome pools, read on-chain). Deterministic, no LLM.",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 60,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0xA7b8086b782783C4646f15432Db1f19927805F90",
"resource": "https://fetchgate.dev/v1/token/check",
"scheme": "exact"
}
],
"description": "Base token risk check before a swap: send a token contract address, get ok / caution / avoid with reasons. Reads the contract (ERC-20 metadata, owner, upgradeable proxy, mint / pause / blacklist / fee selectors in bytecode) and its DEX liquidity (Uniswap + Aerodrome pools, read on-chain). Deterministic, no LLM.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0x532f27101965dd16442E59d40670FaF5eBB142E4"
},
"type": "http"
},
"output": {
"example": {
"address": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
"chain": "base",
"reasons": [
"$1,125,313 of WETH/USDC held across 9 Uniswap/Aerodrome pool(s).",
"Bytecode contains selectors for switching trading on, and owner() is the zero or dead address."
],
"verdict": "ok"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "The token contract address on Base.",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-14T15:35:16.575Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-14T15:35:16.194Z"
},
"resource": "https://fetchgate.dev/v1/token/check",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Base token risk check before a swap: send a token contract address, get ok / caution / avoid with reasons. Reads the contract (ERC-20 metadata, owner, upgradeable proxy, mint / pause / blacklist / fee selectors in bytecode) and its DEX liquidity (Uniswap + Aerodrome pools, read on-chain). Deterministic, no LLM."
}What the leaf hashes
{"body":"3b6bb05cf514fd3596c1bcb216488db82d99633f029da24b92a5f442e33117f4","id":75106,"kind":"listing","method":"baseline/1","observed_us":1793025490063817,"prev":null,"subject":"x402_bazaar:https://fetchgate.dev/v1/token/check","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).
- 0xe9ed7c6925db62f2924afa4904a5fcce04c1245836b2b7d9462b189f8ccff8a0
- 0xc923e24917e7caab2afdb3ffcc1df12056ba9b4d3ae4cd6ad69e4d17ad86074b
- 0xe42bebd783df46cef89c7e094f6af4c1d2d07a070378f9b2e10cd0f1d18b44e3
- 0x43195fd2647cc8ba36d73d2fe0c0739de5460e0c3fe9478490496eec72fef735
- 0x2a420a9a0396a06eb1321a5b90d8d8075173edce2e1a30dbcdb788fe380af71e
- 0x8ff157f3748d67d17dd93bafefc9d5d7b8588bdfbaef22f20c93369b48bdb016
- 0x2f735820f09db60436981a818eda76bf0373fa4581a6fb0015c14cf01a3e35e8
- 0xaf840d4d768dd582bfb8a8cc0f2a398e0de2f790bf7a2d2556fe06246a8805f0
- 0x41b79f71d1afccd3b3ef4c56a8163985b60e558ad76073e70839e77fbc6fcda2
- 0xeeec22ca7728902ad7b7555da76e832c1a5feb9eab7fbd2016b96e53630a46dd
- 0x2ec584f2a0466a34409d72f745f85d43c3f2da79c7fe353433c8b601cf9f2050
- 0x22a204f0cf299dd3152f1542ba9998ff7665390da1ede6e58d06b8a7b2a107ee
- 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
- 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
- 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
- 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
- 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae