Evidence row 1038735

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://onchaincheck.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": "2026-10-29T12:44:01.41Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-29T12:44:00.909Z"
    },
    "resource": "https://onchaincheck.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":"dd1fae55ed093a5301a22a529704cb55bddd998774dffb0fb75649d6af15cb36","id":1038735,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298274850847,"prev":785585,"subject":"x402_bazaar:https://onchaincheck.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 2026-10-29 (242798 rows).

1. 0xdb3f4cab1ac8cd4bf22748c7ff8c21f7be4c6a83f0645e1db17836b8df2ec6d8
2. 0x8b76c4faa6066ca4fccc5182b1eb184e7f16a89ea566e6af59a7c35d8d32e253
3. 0xd3fcb6f1f641cacc15467df5162d0a710f1bb9c3086e40baaaf61d2871dbf72d
4. 0x5a9ddd54e591aea7d437f33cc255def45e436d4979ea161b9e6dda0d451da276
5. 0x4d03c5e37ab411019497b4b462fc7ac5049722294e93e4e8ba139a34c27a2979
6. 0xdba626db3c0fb54f990411eff477a69c8c79067cffa59daa36db2167b59161d8
7. 0x6886aa094d037341bb3a50dd2852896f17ebd49a98bbbbbdee46f5693d4881d7
8. 0xe58a60abfccf23ae46283450691ae5bec9ff89b6ffd5498b976cee38024315bf
9. 0x983b6b377df1e548ca803b4dbe94bb43e2c0fc42c4478c39dab1e3ff34db7b28
10. 0xc82f44ff569a73ed17738e6c717f793f52ac4a0a4f006becc0d81af4cf46aa29
11. 0x5f2d285a4dc67a13260469345f3b9f93a8e7969f85b04bd1fd1f211f377f4d51
12. 0xcca2c51ddf43624528a707497ddb2bcb1a2962304c7d792dcc5458ffe2ead3fc
13. 0xbab97b696ffe737616975d37e243af07fa246058d99161c165f9f96fde8768ff
14. 0xb75e183026f9112474e3710d846b63188d3bba750c3ad3feabd9a22ee7d080fc
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1