Evidence row 1790617

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": "2026-11-01T07:14:40.066Z",
    "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":"0720ddf91c3a4d423e42f14597c818641c6094b3c205f1d735f9d39b781385cb","id":1790617,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559936203734,"prev":1262086,"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 2026-11-01 (302406 rows).

1. 0x5f2d654a2846aad4437d3c61c31d9964a4536f8a118726ca78598f748120260e
2. 0xf7df637fae72ac827652b7fc5887f550ec84c58cb4f224213dbcd84f25a2d579
3. 0x0ace22a4d9088ee7b20422924dd7452a883a1038902760889b5719483258c36c
4. 0xb813479e2e206de775bbae5cb8063906b6d1be49e3d508d33cf7403f347aa9c6
5. 0xde1692c36208af7f60364284e0f818bc617cda4f48c394ee0452d134d6c9fb24
6. 0x3eb2d6c9b8f24ceb06397e54be6f7a8a5aeb29676e848e7432cb15023c1134db
7. 0x4e6081b1252afc5551ad2194619decfc07068a39eeb0675cb0d23aae90228c5c
8. 0xcd8937bfe493e15484c939359a02699bd763515a1dae398bda88fbe650aa45ad
9. 0x819afee41b506708c2f6b33f32eb26ddf19915e0a5893983a5624a123fc59dd0
10. 0xf429c0fa9f272c1cf4ca41e2cb2f5a039ff274123283c366668ff0ab93e512e4
11. 0x72cc06371c5b7b69214cd586912589a7131d390dbbdc880ded0858f1c261cd71
12. 0x8979e1e1af55b2f65b168a1f7b9297b4058a9f6a32344ec3edf9a8c1ec595e04
13. 0x19a33f29777ff00bbae876b4baadad6a9f224ed0c0531dff5b103d93071e3805
14. 0xa98b629d4ece4f8bd55becbb0c526d64cc8958c38de14f3aeccc5e2a5bc50974
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90