Evidence row 16599

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://ca-tax-api-mainnet.lxtap.workers.dev/x402/ping"
    ]
  ],
  "name": "x402 Ping",
  "owner_address": "0x2ecb9e1fcca7a62758c679f11bc3241466d181d8",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2ECB9E1fcca7A62758c679F11bC3241466d181d8",
        "scheme": "exact"
      }
    ],
    "description": "The smallest real x402 paid call: costs $0.001 in USDC and returns ok with the server time and payment network. Useful for checking that an x402 client can sign and settle a payment end to end.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "network": "eip155:84532",
              "ok": true,
              "paid": true,
              "price": "$0.001",
              "serverTime": "2026-10-22T15:49:53.808Z"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "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": "2026-10-26T12:02:50.254Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-26T12:02:49.861Z"
    },
    "resource": "https://ca-tax-api-mainnet.lxtap.workers.dev/x402/ping",
    "serviceName": "x402 Ping",
    "tags": [
      "x402",
      "test",
      "ping",
      "payments"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "The smallest real x402 paid call: costs $0.001 in USDC and returns ok with the server time and payment network. Useful for checking that an x402 client can sign and settle a payment end to end."
}

What the leaf hashes

{"body":"63642e453a297c366edfe4a2689cf138e34fe81dd575f929a0d22d0c7a885d3e","id":16599,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025324722011,"prev":null,"subject":"x402_bazaar:https://ca-tax-api-mainnet.lxtap.workers.dev/x402/ping","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. 0x0a7f968fc39f1c959de44e0e8579d3521702e578d8e87265b7c974bcdfde707f
2. 0x8d6a34f1604e057c72c5a6d5b6750fab6ba5bfb111f86af1a536bc036a947980
3. 0xa0c03d7280e6365ce378514afbc17ba0d8a2641555e42f8b46b979f4bc0f3874
4. 0xcd5c341fe78cc310be819bfd8b0b627904e21a4785d940a4f8a95f61356cc9b2
5. 0xc27b480a87badb61ab120a30794c85e1b26e6449fa94e0dbf73137a61c017ec5
6. 0xeae4bd60ac6f7177b53a3b01c86282752bd2ba8389e017baa0b631fe2af234b7
7. 0x9ac634f477f3bff7dd0902083d4c49d72a645e89e95260f4b480a34ca04d9c71
8. 0x79e51e197d71364e9d55ac63ff8412f28dfed5246a1a75c8e185ccf7692256ff
9. 0x430ddf5dc6f0bf48702b9bb155fb1f09c76a6353903235c3b35878aac3c0c298
10. 0x3526fc43e1700b5c470f59503113376c32080a3a5d8962c998cb16807f4058a9
11. 0x87b542db74671bce07a9c7ffa1bac70164f2e2ab234b807975c3d56a1d6139ee
12. 0x9e12233d6ee4faeb9271b0fc3c834797517d702f44add023149f28a0809c0aaa
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae