← The evidence ledger
Evidence row 1261521
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://blackhullsystems.com/check/token
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ed31c2b8d51a4d59837383b31c0843ca9c60d89d8801e60d7cf7ec58f749d7e9
- Leaf
- 0xec1385cee6729869ca54cfad08128998e6f4b14fb43c5e0d20ad79fc283c091d
What was observed
{
"endpoints": [
[
"x402",
"https://blackhullsystems.com/check/token"
]
],
"name": "blackhull",
"owner_address": "0x1c0b8053c3ba5b2ff6079c8437f0aa72d2be0b9e",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0x1c0B8053c3Ba5b2FF6079c8437F0Aa72d2be0B9e",
"scheme": "exact"
}
],
"description": "blackhull token check: measured facts about one Base token, live from the chain",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
},
"type": "http"
},
"output": {
"example": {
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"checks": {
"erc20": {
"evidence": {
"decimals": 6,
"symbol": "USDC"
},
"value": true
}
},
"codes": [
"OWNER_ACTIVE",
"CAN_MINT",
"UPGRADEABLE",
"V3_WETH_LIQUIDITY"
]
},
"type": "json"
}
},
"schema": {
"properties": {
"input": {
"properties": {
"method": {
"const": "GET"
},
"queryParams": {
"properties": {
"address": {
"description": "the token contract address on Base (0x + 40 hex)",
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"const": "json"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-30T17:35:03.134Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T17:35:02.805Z"
},
"resource": "https://blackhullsystems.com/check/token",
"serviceName": "blackhull",
"tags": [
"agents",
"x402",
"reputation",
"routing",
"intel"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "blackhull token check: measured facts about one Base token, live from the chain"
}What the leaf hashes
{"body":"ed31c2b8d51a4d59837383b31c0843ca9c60d89d8801e60d7cf7ec58f749d7e9","id":1261521,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385513159195,"prev":null,"subject":"x402_bazaar:https://blackhullsystems.com/check/token","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0xec13c6dd714270ebd34dd8f3814f4e2dad8215b542434ccdf402f29849246436
- 0x4431a2521459f1b3379b4a0cc7c9885b322c836a8ec5850efa9bcd1b83a18e91
- 0xaffbfa399d8a1852e3e25e2faedabe97e9c63643243e180580e779637ea74c5c
- 0x3848e83905d090e480da649d49a94f47bf8022b0f85274a91b0bb90fda44b3ce
- 0x37d67957c364a6268f02d7ef73fb025b668fd2985bedcb190827e852b738e919
- 0xd367849e293fc7242e88d9fc5b1b351626486a5baa92dcdfd5089827d30eaf0d
- 0x05e5610ebf23b3ac1e516966008b27b5172cb5b025fdf4d49614c293083b88c4
- 0x69050f4b37fe5c33b5559c130edaea8b2e76e2c9a00ed1d9c4dc25931d23d977
- 0xd2ad93c8ef05df0d984747a95f25e6ea4219f66561e1e37a94522551a4c51e16
- 0x9688af10a29d1cdcd6bc939d8ebdb5805b8f3d461d957e82fe20c4d2846818e6
- 0xc925ee88118f0ba750d4fc44447c85c4a1b22e81a149efa67d4c3066fc11f109
- 0x2908b57ec5863fc27e3649606b46ec5a2818a2464f4a19174c020d4fd8780e06
- 0xe74b8a5bc06a9232ee8afb3c06edda55c8b71304b37e8d1a772d97f50d4d5d01
- 0x480837169e0b2dae12e25a5963879f1d41492816181ac128eeca59bf75b8d55d
- 0xea7df1002501052c124b5aed2b1a5df3d59be54394c6a8539c86fad1df339a9e
- 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
- 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861