Evidence row 1039012

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": "2026-10-28T22:58:13.208Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-28T22:58:12.749Z"
    },
    "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":"ca4d5731eba6db98ef71ce32dd0cef86fcc4b6304f07625b8f976509c1321126","id":1039012,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298277725560,"prev":70209,"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 2026-10-29 (242798 rows).

1. 0xfffa906bde93e41a4d30700edc585f471086f457baea12974601bba48964ca50
2. 0x537b7933aa94f5a120c7f0fa28ee7750ef42e5e1d405d093479f559d33e34945
3. 0xa0d514679235fba67bc1f5a392c34ef9e7283bdf781ed9ade31e5fab2512322b
4. 0x9e586f6b73dcffb5b6ed78a2aed084834558c3d39b279a335bae5e560912b77f
5. 0x8dc50e759f9c2b555b809aa373181e603cc9eec9d7da34da00ba130163130822
6. 0x48791cf94f9ad7e07ccd13af95978dd90e1b152034df1f8a777a638fbe0c9629
7. 0x2b237277fccb00362f3c23a4096eb9c59a7d61835cf6ca76749b9f5d3c76e500
8. 0x9281cc3c1f0e45eba88fa0e238d6b5e6806150cf00efe5735672098b30f40c75
9. 0xfbf2792cca7685956b30b6c58301376dd1e786a9c1377f6b152417d12e0b25de
10. 0xf708469bc3aba85a4a4875a16834cb1ef22f7d55f1823cedb60f00dfa15f77df
11. 0x1dd763930a8023065a24b676469b4f26d92a89cfe71226ced9df379f43ec0f0a
12. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
13. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1