Evidence row 1262086

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": "2026-10-30T03:08:10.311Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-30T03:08:10.102Z"
    },
    "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":"1a36224e10630c56887da426a087581d98775354d0da53e86285d7133846d29a","id":1262086,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385519800645,"prev":70208,"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 2026-10-30 (243099 rows).

1. 0x4a3fafbdbbd6ac201f8c657314bbf3c53d2db94d7ed4b733a50466989f29b67f
2. 0x4cb6c8af1a94119c63c573624786b33427b15d425688f520b367f97df496d932
3. 0xfbcb6037c9c32540678098d7207a048378761a4eb7d5617b28d9cb268011d803
4. 0x7d36c319a23150e4797a8edfd2cac651ee25c7ba323e26716f0550a84f5a053b
5. 0xabec5809151034fe098a660b056680a4cf39554e97a0b914bd3e3800b636422c
6. 0x015cac45d6c4dc6e7db0d57b226db6f16e0581be77980ea110a43822233f6690
7. 0xe5a35e38049ae150f201e0cc7dbfa67c2c116d8c2cda928b3ce5a971654720c1
8. 0x7d8357c729f6bdc30fdcf2093e074d9afebdcfcb1e00f86ecd2808e8ff34e4de
9. 0xcc39f4b3f476ab5c890550b63509ced16c5abbc3590d9909fec4031e33c0b6ed
10. 0xd66504a924c5a7598452063ffa9b0d7187b3f143fc21ae9cdfb6deed78239a42
11. 0x404dccb2a5ed049d8b90c33df4bbd42a9eb0ea90cbf2f6df56f07dc61516b2fd
12. 0xd0fc592ff5d40c180090bf8aae21494163df4e3c68b54dc24040221631fa1925
13. 0xec056ea330536f437d7c8a8262b1a5055dd234070d691d0d303dd85828fa5a4e
14. 0x9ace81ddbf101c81e3033efcaf62a4f4ad2b7dc0b97b61a7adf81117108ff2f7
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861