Evidence row 154692

What was observed

{
  "count": 21,
  "tools": [
    {
      "description": "Inspect the public DMARC record at _dmarc.<domain>. The domain does not need to belong to your organization. Returns parsed policy and rua/ruf addresses.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "domain": {
            "description": "Domain to inspect — does not need to belong to your organization.",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "check_dmarc"
    },
    {
      "description": "Add a new domain to the organization. Response includes the reporting_email and dmarc_record values to publish in DNS. May return 402 if the plan domain limit has been reached.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "name": {
            "description": "Domain name to monitor (e.g. \"example.com\"). Stored lowercased.",
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "create_domain"
    },
    {
      "description": "Create a new webhook endpoint. URL must start with https://. Returns 422 if the organization has reached its webhook limit.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "name": {
            "description": "Human-readable label",
            "type": "string"
          },
          "url": {
            "description": "HTTPS URL events will be POSTed to",
            "type": "string"
          }
        },
        "required": [
          "url",
          "name"
        ],
        "type": "object"
      },
      "name": "create_webhook"
    },
    {
      "description": "Remove a domain from monitoring. Soft-deletes; historical reports remain accessible.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "domain_id": {
            "description": "Domain UUID",
            "type": "string"
          }
        },
        "required": [
          "domain_id"
        ],
        "type": "object"
      },
      "name": "delete_domain"
    },
    {
      "description": "Delete a webhook endpoint permanently.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "webhook_id": {
            "description": "Webhook UUID",
            "type": "string"
          }
        },
        "required": [
          "webhook_id"
        ],
        "type": "object"
      },
      "name": "delete_webhook"
    },
    {
      "description": "Dismiss a specific alert",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "alert_id": {
            "type": "string"
          }
        },
        "required": [
          "alert_id"
        ],
        "type": "object"
      },
      "name": "dismiss_alert"
    },
    {
      "description": "Export a DMARC report as CSV",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "report_id": {
            "type": "string"
          }
        },
        "required": [
          "report_id"
        ],
        "type": "object"
      },
      "name": "export_report_csv"
    },
    {
      "description": "Get details of a specific domain",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "domain_id": {
            "description": "Domain UUID",
            "type": "string"
          }
        },
        "required": [
          "domain_id"
        ],
        "type": "object"
      },
      "name": "get_domain"
    },
    {
      "description": "Get the full detail of a forensic (RUF) report by UUID, including the raw failed message envelope.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "report_id": {
            "description": "Forensic report UUID",
            "type": "string"
          }
        },
        "required": [
          "report_id"
        ],
        "type": "object"
      },
      "name": "get_forensic_report"
    },
    {
      "description": "Aggregated forensic-report counters grouped by auth failure type, delivery result, source IP (with geolocation) and reported domain.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "get_forensic_reports_statistics"
    },
    {
      "description": "Summary of forensic activity in the last 7 days — useful for daily digest views.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "get_forensic_reports_summary"
    },
    {
      "description": "Get details of a specific DMARC report",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "report_id": {
            "type": "string"
          }
        },
        "required": [
          "report_id"
        ],
        "type": "object"
      },
      "name": "get_report"
    },
    {
      "description": "Get statistics for a specific DMARC report",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "report_id": {
            "type": "string"
          }
        },
        "required": [
          "report_id"
        ],
        "type": "object"
      },
      "name": "get_report_statistics"
    },
    {
      "description": "List alerts for your organization",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "page": {
            "type": "number"
          },
          "per_page": {
            "type": "number"
          },
          "status": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_alerts"
    },
    {
      "description": "List all monitored domains in your organization",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "page": {
            "type": "number"
          },
          "per_page": {
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "list_domains"
    },
    {
      "description": "List DMARC RUF (forensic) reports with optional filtering and pagination. Returns 403 if the plan does not include forensic reports (Pro plan and above).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "date_from": {
            "description": "Inclusive lower bound on arrival_date (ISO 8601 / \"YYYY-MM-DD HH:MM:SS\")",
            "type": "string"
          },
          "date_to": {
            "description": "Inclusive upper bound on arrival_date",
            "type": "string"
          },
          "domain_id": {
            "description": "Filter by domain UUID",
            "type": "string"
          },
          "page": {
            "type": "number"
          },
          "per_page": {
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "list_forensic_reports"
    },
    {
      "description": "List DMARC reports for your organization",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "date_from": {
            "type": "string"
          },
          "date_to": {
            "type": "string"
          },
          "domain": {
            "type": "string"
          },
          "page": {
            "type": "number"
          },
          "per_page": {
            "type": "number"
          }
        },
        "type": "object"
      },
      "name": "list_reports"
    },
    {
      "description": "List webhook endpoints configured for the organization. Returns 403 if the plan does not include advanced alerting (Pro and above).",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_webhooks"
    },
    {
      "description": "Send a synchronous webhook.test event to verify connectivity. Returns the delivery status. Test events do NOT update last_triggered_at, last_status or failure_count.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "webhook_id": {
            "description": "Webhook UUID",
            "type": "string"
          }
        },
        "required": [
          "webhook_id"
        ],
        "type": "object"
      },
      "name": "test_webhook"
    },
    {
      "description": "Update a webhook. Any combination of url, name and is_active may be provided; URL must remain HTTPS.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "is_active": {
            "description": "Enable/disable delivery without losing config",
            "type": "boolean"
          },
          "name": {
            "description": "New label",
            "type": "string"
          },
          "url": {
            "description": "New HTTPS URL",
            "type": "string"
          },
          "webhook_id": {
            "description": "Webhook UUID",
            "type": "string"
          }
        },
        "required": [
          "webhook_id"
        ],
        "type": "object"
      },
      "name": "update_webhook"
    },
    {
      "description": "Re-check a domain's DNS to confirm the DMARC record contains the organization's reporting email. Updates status to verified on success.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "additionalProperties": false,
        "properties": {
          "domain_id": {
            "description": "Domain UUID",
            "type": "string"
          }
        },
        "required": [
          "domain_id"
        ],
        "type": "object"
      },
      "name": "verify_domain"
    }
  ]
}

What the leaf hashes

{"body":"73f1f11a1767e045c9950a64e2261a3f54417d16283f474c254e19ae2165701e","id":154692,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793025673084493,"prev":null,"subject":"5113c676-c46c-4e4b-936e-9756987aa574","subject_kind":"endpoint"}

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. 0x217d0a2038b98412d65001ac8d1e191bd85c554206e542fa183ca50426d6dc25
2. 0xeb336cedf0eb67fe437b9488f6777a39774893e6b2f7b56e351937d447715e56
3. 0xc9bf76a3b6b14d458f52ad4cf005c6b2db9bd4861a31e4ae1aa8c1b8502be891
4. 0x704654889c93b3db9304772b04222ec1bebd2db3d5a09a0971ca7d3d381e1ebf
5. 0x5f2e1bdf3b61f01ccf8bd2fd3956669b8da03af14747db5fc6b8a317ca2cf645
6. 0x4a38eaf710aaa24ae28dcd4d0a0e7a08f4fa29af50308c8627227e1e64d8161b
7. 0xa897c0d3be49fe761ed1c3081b1e3655e4bcbeb1c3280b2b4070bf8daa354c07
8. 0x79a7b7c27d04a990e83d3172fd194fd58a49c89eb00527ffafc36f40559bc2f3
9. 0xc8d8ba70110d460f988fd2b057e677cbc713f91a024845889e76201c8f934e3a
10. 0x52a03554eda198dc4680d30e566c1eda71c25f02648bb3a67df331bf196cafc1
11. 0x71f472bb5c514dca2395c7842916e5cae63a9c622d8bc8f84b07a986c5ba91a1
12. 0xfde157310fc8513767b162378ca9ceefb2937c374b7381a8887f7ccba8ab5a80
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae