Evidence row 72803

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cron.memoryapi.org/x402/cron/alerts"
    ]
  ],
  "name": "cron.memoryapi.org/x402/cron/alerts",
  "owner_address": "0x24facafeb49b4e3facf0b3e69604a2f4640c9bf2",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x24FAcafEB49b4e3FACF0B3e69604A2F4640c9bf2",
        "scheme": "exact"
      }
    ],
    "description": "Retrieve change alerts for monitored URLs. Returns list of detected changes with timestamps.",
    "extensions": {
      "bazaar": {
        "info": {
          "description": "Get change alerts for URLs you are monitoring. Returns detected changes with before/after hashes.",
          "iconUrl": "https://memoryapi.org/icon.png",
          "input": {
            "method": "GET",
            "queryParams": {
              "limit": "10",
              "url": "https://api.memoryapi.org/health",
              "user_id": "my-agent"
            },
            "schema": {
              "properties": {
                "limit": {
                  "type": "string"
                },
                "url": {
                  "type": "string"
                },
                "user_id": {
                  "type": "string"
                }
              },
              "required": []
            },
            "type": "http"
          },
          "output": {
            "example": {
              "alerts": [
                {
                  "changed_at": "2026-05-29T22:00:00Z",
                  "url": "https://api.memoryapi.org/health"
                }
              ],
              "count": 1,
              "success": true
            }
          },
          "serviceName": "MemoryAPI Cron",
          "tags": [
            "scheduling",
            "cron",
            "automation",
            "agents"
          ]
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    },
    "lastUpdated": "2026-10-24T15:03:21.495Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T15:03:21.25Z"
    },
    "resource": "https://cron.memoryapi.org/x402/cron/alerts",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Retrieve change alerts for monitored URLs. Returns list of detected changes with timestamps."
}

What the leaf hashes

{"body":"b211c90d272b4fb7162dc1bcb3ac3e2303fe07de538eb035b51008518ebc7fd5","id":72803,"kind":"listing","method":"baseline/1","observed_us":1793025486501435,"prev":null,"subject":"x402_bazaar:https://cron.memoryapi.org/x402/cron/alerts","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. 0xf124af89e5fab4d0e69cee2b8d8a1f62626c75d942d6d5c14f3ae210812bc9bf
2. 0x1cf26827d0f12f3e1c5f638f717423207fb3f11f80fd4dd5a6c9c89f1dbcb8f6
3. 0x5f8306d31076a77ea2c8d63ceee338cb8bb031bd2ac6b5fbdc543960fd41f9a6
4. 0x0f53e7d50dfd9dd7339e025bc00557b3c04ad34977739cb52e2f281bd7f63938
5. 0xf4628d3f99beefd8b0902d51624305f06416713dffb3459ac9daf0995af74457
6. 0x4f6295904daedc5388c8be1aff9d13951cb9208723bca34a3b2019bd49c8916f
7. 0x15b0febd995a4e29b5d03fb6577f016bc36ca0df7bf87cf342658c5f615a5f25
8. 0xc99b22339bffe686998fc6f683086e4ecc034cb7435074e703a99393c21aea8f
9. 0xc3596fbad3e4207c4410d395b8a81b3dc359044751f1caefc61e494d58d39d1a
10. 0x7d04371228279440387b9131e1ecd711e15d7ec89ef830b07659d5cf6474b401
11. 0x514d76e971925e71327eba8800da6dbdf3c60a7c174890b0694dc64fd775ac72
12. 0x4d2e94451b5ffc570a23dee9d1525bc305f1009994ffe23d8e2e7d45c60f6209
13. 0xa26f0437cba4d7d64f1cf98bf4f490e1ebb6f66a5e2331537b7ba8b3061084e0
14. 0xd769d41500075835c3b2f9184d223699fb983fd05c29fbcb44d964abc7ee380d
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae