← The evidence ledger
Evidence row 3064475
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.wickedapi.com/v1/basis
- Recorded
- Previous row
- #1790617
- Body SHA-256
- f339dacfac61d867beed4c350776562b505e0d0c466acf1993686878e0df3d23
- Leaf
- 0x6ef4fe6de79f834813f6cae5fdf691d97ecbd5fa9812d9c6ac7b80266ade45ad
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": "2026-11-04T19:02:43.718Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-11-01T07:14:39.638Z"
},
"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":"f339dacfac61d867beed4c350776562b505e0d0c466acf1993686878e0df3d23","id":3064475,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822228246884,"prev":1790617,"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 (424109 rows).
- 0x6ef468a74e2d329fe3690b71b49691c30c714bc8078d99198d70f45ca6301745
- 0x3c822d22ce8885d9e67da3c2a2699f37fb2cc24787856aeee4e8864f3a383eb7
- 0x906387fc369b334896b6d78de1b59e24ae48957cb000297df71c82584500b51f
- 0xe23687bbc915a1bd7cd02db4afbf7d088ac448413420f7473c637e47e7f8f182
- 0xb669a9482a7767f8a7af24903d6d390eb874c43b886e25d542f738b37d016c09
- 0x1d4253d91ff6f93f0a847dd90782f6677d367659e679fcf894f2ace2a2f159dd
- 0xf1f151b9219675905822a23439836243e797b5d73de5f9186ff3f405e401ea43
- 0xb6a057073ca65e01aa23cef6dffe589e736df23eee8d1766faa225477a08842d
- 0xfdcf2a538e77e568ffd59dd9d3449fee1d527332982d967e895163b4533bffed
- 0x43937c52aed9268a372b23fad05859127ee62d6b036504403ad75a7c2fe373ef
- 0x982fe504b909aa4ab6ec78069a40091279e783c6a2c22edc31a908c7366bc45b
- 0xf724c803b8cdc886fc3662b19ab06c6f9c30abbf524cdea5fd045e74264ae271
- 0x9b824f6e339d42b364c996788cad257b57bcf7180173a01fb7591a1297a7bad1
- 0xdf9a55324b158c76aebda2f3abb5f16823a1f3af8ab75a4b216043f79b074f98
- 0x539d73c83d7aa7f740599809a1eb066b48ddd9e8d1ce14a80cb191f4cf87d3b8
- 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
- 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
- 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
- 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
- Day root
- 0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
- Chained
- 0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
- Published
- On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345