Evidence row 1262160

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.wickedapi.com/v1/chain-block"
    ]
  ],
  "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": "Block header lookup: number, hash, timestamp, miner, tx count, gas used/limit and base fee. Latest by default, or any block number, safe or finalized.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "block": "latest",
              "chain": "base"
            },
            "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": "2026-10-30T02:55:06.122Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-30T02:55:05.673Z"
    },
    "resource": "https://api.wickedapi.com/v1/chain-block",
    "serviceName": "WickedAPI Trading Data API",
    "tags": [
      "trading",
      "crypto",
      "market-data",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Block header lookup: number, hash, timestamp, miner, tx count, gas used/limit and base fee. Latest by default, or any block number, safe or finalized."
}

What the leaf hashes

{"body":"0f56cf34767a23a2e2e6f32c4c3d0d682b9f4c62a81e2b04187245f6d2eacd74","id":1262160,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385520447440,"prev":1039012,"subject":"x402_bazaar:https://api.wickedapi.com/v1/chain-block","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. 0xc42eff0b7f28ebffc7b81198412a24d178aaae1a2883e73f38250cfbc0cd2c80
2. 0xe29d9d3667e74b393700544520e291c87821f300d23bcebffeb67287c25ed513
3. 0x9e72343896ec33f6615b85db76e07baf46b340bfa93d7064112759aabf338c14
4. 0xa74d9a906d3c8876e91f0f1f32c406fd567a416829b9f249fbb6d4896bc2c26c
5. 0x86ac97b766fa3938d0408cde50509791e864699f0f1fe549d04ea378caadedcb
6. 0xfd3f00d8b3748d3fe6f2228840269c4d6ff4d3bf4a90048c7e3aca1d17df5f72
7. 0x56741ed0678d4292714367f3581603f889ec625789d4a2c9e6ea4da2ab5b7114
8. 0x11e4618433713c79a704f2fa09f5e193024379536bc8a138bf46385d089aaa76
9. 0x0fa87adde39e274681df7800da30e3ece3e929dafa906f674d79283ce961c1bb
10. 0xc612ae9d96abb52ade8b0e0b2525ebd2f27c3412c3a10437c8d88f0be9133557
11. 0x97ab852101db9f1951f4c2b54d86abbfdb4a8f6ac2321513c85e30db4a4b82d7
12. 0x7e4d6e3456d7ffa3c06a75efb13b28451538a81868e9903f1196f3bbe73b823e
13. 0x471b09add521b98a16ea9fc9d6a9b0d36c3550dc29ba4c83971dbd67d002d009
14. 0x342f35813d736e85ba1881bcb69ecc7b4b96d68e557b8417f1f4ec705ab16ab6
15. 0x9fb4eebd924fd42d4eb61d55691812de0db9242fc9c0dabb65c4054447246797
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861