← The evidence ledger
Evidence row 1039468
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0b2ba138f338f8dfd21633711610963f3bbfd5a7ad3026f002977a7b509dc2c5
- Leaf
- 0x101dc12472cda1a0268866a3cf793dffb167e36aa24a112cf06fdb3de44d1eb1
What was observed
{
"endpoints": [
[
"x402",
"https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd"
]
],
"name": "Mint Intel: Base chain data",
"owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
"scheme": "exact"
}
],
"description": "ETH/USD read straight from Base state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"chain": "base",
"chainId": 8453,
"network": "Base",
"pair": "ETH/USD",
"price": 2319.29,
"sources": [
{
"ageSeconds": 96,
"feed": "0x71041dddad3595F9CEd3DcCFBe3D1F4b0a16Bb70",
"fresh": true,
"price": 2318.47,
"source": "chainlink"
},
{
"feeTierBps": 5,
"fresh": true,
"pool": "0xd0b53D9277642d899DF5C87A3966A349A798F224",
"price": 2320.11,
"source": "uniswap-v3"
}
],
"spreadBps": 7.07
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"pair": {
"type": "string"
},
"price": {
"type": "number"
},
"sources": {
"type": "array"
}
},
"required": [
"pair",
"price",
"sources"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-29T10:23:31.855Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-29T10:23:31.754Z"
},
"resource": "https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd",
"serviceName": "Mint Intel: Base chain data",
"tags": [
"base",
"evm",
"erc20",
"onchain-data",
"rpc"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "ETH/USD read straight from Base state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps."
}What the leaf hashes
{"body":"0b2ba138f338f8dfd21633711610963f3bbfd5a7ad3026f002977a7b509dc2c5","id":1039468,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298327878663,"prev":null,"subject":"x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/eth-usd","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
- 0x101da7d1b13cfb7973bcdb6c2215b7e3a15c62744200bbf5ffab497961d78fb0
- 0x2cccbcef1038a5dec32fd200adcdeddece9a2b1d24d18d11c73e0a11ab8d7099
- 0xc24ad1be50084d897385589623e59e06e0b90f8456378dd56392759625f5189d
- 0x89180f436b590bf55eb2bc143f0d1638a1ebfb0f21ae0f9637694efb72e3139d
- 0xcbdafa4d30da8aeb4613486159d502ab18de312052a0ab0e470433a10ed485a4
- 0xcda0106ceb1d6b0a04ffc24f90a14be725a794e553c786c2631021233fe9c686
- 0x98220024416688d89f9ae528c01fc3c6b25f3a98f75e5b53b2861fce6d2854f7
- 0xee253fbc9294ec2d0bd666bbe7045f7cfc55183aa98d135ef33e46973c9ec20f
- 0x82c6fd5c89fa848e19af3a366d6c5e2dc8b58ccea169da6c46fe6988902ace5a
- 0x70b4e0d83353d912dfb0fcd742e8c2d875991eea26b88597f6808f7ab02d86c1
- 0x3ba95e19020356daffeafc4ac0c057901bc402ca224f6a1f4ce846c8c6595a63
- 0x167cb457e5618956c84193ebb90fd080faba4ab44e43972c970cde45c0c57c49
- 0x7815c9a292a2f1e0dbdff174b5918aa320852c7e816e376aca0e3ef90e1a01e4
- 0x7b3add153244183458b4331b4f226a6729ff68c345cedfa75b49586e803bf98a
- 0x0507b989510de89f78184f7a10d971f7670a579c54df7d291a2d72f034ae74d3
- 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
- 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
- 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1