Evidence row 2201107

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; live demand probe for x402 settlement.",
    "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": "2026-11-02T04:42:56.663Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:42:56.09Z"
    },
    "resource": "https://aptu.dev/v1/echo",
    "serviceName": "aptu.dev",
    "tags": [
      "echo",
      "probe",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Echoes a JSON {message} back; live demand probe for x402 settlement."
}

What the leaf hashes

{"body":"17ce0a1a20544af2f4da7139be85317bc5029643b18d9454cc88cbe433082e15","id":2201107,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646800362532,"prev":null,"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 2026-11-02 (444186 rows).

1. 0xcc3b2dac7951b9f085e8edffec02830468b29c236f7c14f44de415d5e4ee954c
2. 0xf0f6953795baeb56672e771b3e111d2daa74f05542872692c0fb507373968fd1
3. 0xead542f904de41c09c613d350445850a3c0b7252b74615f3d667a96ba7d7d0ce
4. 0xfefdabaea3ee25d365bf14b3118faf06b6984e2b143e15df944accc7502d4279
5. 0x2bdd15f663e908537666f95d4d4a5fedf43fae21f34ace6ffa83bb84c904064e
6. 0x97fc8ed13256eb7235e6a60639caf0566c045e25415895434040c9d33d184580
7. 0x5438820fb60c7a2ed1f1fc846b7cf609b777762555b2b3079971fd2a7991d86d
8. 0x77898879a5439242e3d2006ad09a5afaccbe3b3f87e5aab3a7b463c7e60deb01
9. 0xc6f0ce179a629bafca756adcd25c75096d9dde7375c04d499d18ce66e5209011
10. 0x5955e594511b0898563ff35b4b1397b2977d71ffd10fef8265c7622c92c88fbc
11. 0xaf2a199447c969aea5dcc0dd155218feac3378794b903ace57a61900fe249d4b
12. 0x104b0fd7f9e0a9cd51db3ad451e9a16d136da470f6efdf3cf1ad75354f332bc0
13. 0x959c0d70f3f85beefd7b1347751e6e712eeaefce78a57d80eda6882038b85a52
14. 0x4f21464039902a4044b17c93873adb5a93eecc8e977b4e039acb8cd5f4210b4b
15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af