Evidence row 2632907

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aptu.dev/v1/echo"
    ]
  ],
  "name": "aptu.dev",
  "owner_address": "0x169313d28075a6ddb70e7e5190a1eddc0d105671",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x169313d28075a6dDB70E7e5190a1eDdc0d105671",
        "scheme": "exact"
      }
    ],
    "description": "Echoes a JSON {message} back; the simplest paid call for verifying your x402 payment flow.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "message": "hello from an autonomous agent"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "echo": {
                "message": "hello from an autonomous agent"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "message": {
                      "maxLength": 10000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "message"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793569800/bazaar-icons/4d5697f26cf1508d.png",
    "lastUpdated": "2026-11-03T18:53:55.018Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-03T15:49:48.068Z"
    },
    "resource": "https://aptu.dev/v1/echo",
    "serviceName": "aptu.dev",
    "tags": [
      "echo",
      "x402",
      "testing"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Echoes a JSON {message} back; the simplest paid call for verifying your x402 payment flow."
}

What the leaf hashes

{"body":"11e04c8ceb0445213f5690351e6af62626e62c7488fc5bbcd6480ca15d21e071","id":2632907,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734397660520,"prev":2201107,"subject":"x402_bazaar:https://aptu.dev/v1/echo","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x1d975d9e39cc90a0d5b89116ed261a5c6c3c02aa38265f9ffaeb4bfe2a4cdd83
2. 0xdec833a85b372b73e4d4f67b9777d28d4ecdbafa4c58834843ca456958c5b0b4
3. 0x8997de3878682f3d80c2d524be0148f345a764b24217a09933901049ce5e2a37
4. 0x1afd626bc2de22d803e88c6577aeb431131b8ef89f5cc9f064f0b32f005773dd
5. 0x4d4fb61b5d32a926854ff6567e8f693e68bddf815e5b57921654c37ee990f9f4
6. 0x0beee55acc52600d3f8a574a9fb18bd197d8a687efb7f26d70e62188af8eeb13
7. 0xbc00688a3299f0a581c634751890882ec4912ab8139d5754d294d5888e4c86bd
8. 0x752d1b552d66e84b89c353b18e6fddb4ac6b81e9ba7438fe9109684153fb0001
9. 0x80310ad86ab12359f296c39231a21bd9c0ae135e9f8051999db9b55ff643a0dd
10. 0x9e9e60541d9bd09999126c98b2eb8ec7464b84082dabb28b4e1f736b1db5f71a
11. 0xa4c98f02ba1716452ca96ae24c1e3fe04382e345ac31b688db37892b8ca9334a
12. 0x1554e3bea31760b4ffaf14fb411d2319262f4fcef278efd42b812abad2b6ac39
13. 0xa865c151caf5b808863a56eafe459ed6980ba5c059246ed92e8d9688c9ef7fe7
14. 0xa1b9921bde76812f1ccbe5230e9921311a3aeab7f9d6861066c6dd5b532d126e
15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7