← The evidence ledger
Evidence row 70208
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.wickedapi.com/v1/basis
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d0a81968a9f336e230142240a77e43c103eff8923890f4622a69de5e4ab8c443
- Leaf
- 0xd349aa42cab1ae588019deb0dcdf05ce63ca55391b2af97d1587dd2c9574cfc8
What was observed
{
"endpoints": [
[
"x402",
"https://api.wickedapi.com/v1/basis"
]
],
"name": "WickedAPI Trading Data API",
"owner_address": "0x63ebccd826b874ce988e6498eaabb6bd47afc8a4",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x63EbccD826b874CE988e6498eAabB6Bd47AfC8A4",
"scheme": "exact"
}
],
"description": "Spot-vs-perp basis (premium %) with funding-implied annualized carry. Spot from Coinbase; perp marks from Binance + Bybit.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"symbol": "BTC"
},
"type": "http"
},
"output": {
"example": {
"data": {},
"meta": {
"timestamp": "2026-01-01T00:00:00.000Z"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {},
"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": "2026-10-25T18:56:37.975Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-25T18:56:37.567Z"
},
"resource": "https://api.wickedapi.com/v1/basis",
"serviceName": "WickedAPI Trading Data API",
"tags": [
"trading",
"crypto",
"market-data",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Spot-vs-perp basis (premium %) with funding-implied annualized carry. Spot from Coinbase; perp marks from Binance + Bybit."
}What the leaf hashes
{"body":"d0a81968a9f336e230142240a77e43c103eff8923890f4622a69de5e4ab8c443","id":70208,"kind":"listing","method":"baseline/1","observed_us":1793025480004869,"prev":null,"subject":"x402_bazaar:https://api.wickedapi.com/v1/basis","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).
- 0xd349c213a863ab250908fcae4fac1557fee0e1379d584d75d1b69df1bad26bdd
- 0xcf0db315f2abc8f5815b1105ca4235bb25288c5a64fe4c7c199eb49a9f6dd628
- 0x251051ba1e8e329916089a18775d102649b1508c3d1dbff00c4655ea6a5111cd
- 0x25a359ff9a4905f7b9168bd1b19c91f9c15e96f41d1cf002fafc17fe4378f2e0
- 0x99e40b40f979ddaadea28c13a9ef4fb3609533bde75165c485258da421c65699
- 0x62c66f78d44aa1fd5e9667e31123c592813f1a7011935eed8ae206269bebbb43
- 0x6ae4d91ed08825c948b04112c4ea0deea4bd029d8e8c2e99005562eb65deefda
- 0xd0bf02ee3c9deba31edec73f1f5ca6a4b7700844da354d4a70b7169b8946249a
- 0x42bbccbb422c591c5e9cc66f160ea72e0ff83629e23fd162fa4cb22d31530292
- 0x0834e939cfa9df57864320cb906e871c291dd8cc7aa8327c208c14867fb03a20
- 0x14362d8e1df4e5c0cf9c6949986f8f51c6a0b5605b593e145aade16c5f5c871a
- 0x9f6b360f1992898cb3f17e45d0bf5a96f946d7eaf9705a57af03c151a407d239
- 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae