Evidence row 70209

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": "2026-10-25T18:55:40.209Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-25T18:55:39.803Z"
    },
    "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":"b4a37fabcaf66453131904614d9a0dec044e4b62d588345faf3efd4f6ecb1947","id":70209,"kind":"listing","method":"baseline/1","observed_us":1793025480005836,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x2440db4bde123fe5e3f6056488b25625ba0a124cb19956f561684b78e295bb64
2. 0x386f1d12d1e29962feaa6b784f63c490dfcb842ae19961fd750360c548d185c1
3. 0x1e055b3cc4070ab27613fd34b718d81190287fe69879a8e687ea9257d2b482f1
4. 0xbcb768e3c287083c4b923302b4e2132d77fe40b2d2e892b4c10c62265583512c
5. 0x118608e00fcffb3911a0600004d01d015a11976962a1dae546a90451a9bd4db0
6. 0x7c64d89b904b22fee4c7eb6b2755209ba57401774469d6dd56f6bc9be57f9020
7. 0xaf5b93f313828cfb9ab6b33a5fd679621c67c0f87e54ab578548a9c5fbc1e120
8. 0xea60b0481044514ee49ca3759153f5ff78d1df582b816eaa54848b011abbe3bd
9. 0x587d0c71a02ba1ef514c0443c9ec3374e6aa4384ddcfd176b29bb4853789ef68
10. 0x2a32852d08f3dbad9d322dd91bc905c97a70f059d4f616e591b3fe5721ef2000
11. 0x395ecef2713b13f9a2a88fe836fbc1a4e94906043e3938cd3fd16627be6b95de
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae