Evidence row 1508373

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": "2026-10-30T18:40:32.024Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-30T18:40:31.595Z"
    },
    "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":"ccb092b8e4f69ff32caf66592c2006dee9d6efd3d39cd5a1d8e10e1548806225","id":1508373,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472710046975,"prev":1262160,"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 2026-10-31 (246033 rows).

1. 0x9e79b01dc4da84663465c8c7a9ea846aab8a1c8390a4c74bf7a095bddcd3fa1d
2. 0x9d78a62886f4b58c84051b4d4d4c5d84931ab976cc6be52bcb57380b5da52603
3. 0x796210554e72f0bf5ad1a089af00395095e888bd6b0cbdaf81eb0abf4d5e19ef
4. 0xdd307136358602041080dd547da94cc8bdf77a0dafe21e29eb395fc644b5d6a3
5. 0x47fb03f8743613b3983be105085e226f9480eb5169a6c9b985febf2b2c96be3d
6. 0xea9a5e2e826cb0691212c8fe0374b0056f1a31e845776e25d8f8ebea4251d89f
7. 0x1d156e1da819d3c74461cce3f98739648ae353ab19d7013b6e1eae3945f168c7
8. 0x7867687033b658aa0cdb358a00c1d209f1d15db66b7ad2cd6459a41d7088bb6e
9. 0x0ebd529fb97c76a3a3c83159daebc7aaec5a726740acf2b3eb291738058faa7d
10. 0x9d56337b8dfd67a92b5e1b1000bc3f1ea6270bf18a2f7246be75697a70a779d3
11. 0x45b67b632e4268cb24f340cd91b5312440ea3574d4949aa391ca33a500132060
12. 0x9015761a667deaf7c1511b3c3b5f579ad872409cf1102aafe66d5115dbca2b33
13. 0xd7eeb5d366f1d99f0996a1688d7c011650329fecbe27e79b02dc24865efdf372
14. 0xba1869be223f95f72276ce33e2a2c15c419c92f64870421adea6f13169667701
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0