Evidence row 223188

What was observed

{
  "count": 10,
  "tools": [
    {
      "description": "Create a free account for bearer attribution. The full account key is\n    returned once; only its SHA-256 and last four characters are retained.",
      "inputSchema": {
        "properties": {
          "account_ref": {
            "title": "Account Ref",
            "type": "string"
          }
        },
        "required": [
          "account_ref"
        ],
        "title": "create_accountArguments",
        "type": "object"
      },
      "name": "create_account"
    },
    {
      "description": "Prepare a Stripe-hosted subscription Checkout URL. It never charges a\n    card. Draft plans, missing owner approval, unavailable covered agents, or\n    missing recurring Price IDs fail closed without creating a session.",
      "inputSchema": {
        "properties": {
          "account_ref": {
            "title": "Account Ref",
            "type": "string"
          },
          "plan_id": {
            "title": "Plan Id",
            "type": "string"
          }
        },
        "required": [
          "plan_id",
          "account_ref"
        ],
        "title": "create_checkout_linkArguments",
        "type": "object"
      },
      "name": "create_checkout_link"
    },
    {
      "description": "Return a bearer-owned Stripe-hosted billing-portal URL. The human\n    manages or cancels there; this tool never moves money.",
      "inputSchema": {
        "properties": {
          "account_id": {
            "title": "Account Id",
            "type": "string"
          }
        },
        "required": [
          "account_id"
        ],
        "title": "customer_portal_linkArguments",
        "type": "object"
      },
      "name": "customer_portal_link"
    },
    {
      "description": "Return the fleet-standard version, catalog digest, security posture,\n    lifecycle policy, and capabilities.",
      "inputSchema": {
        "properties": {},
        "title": "describe_agentArguments",
        "type": "object"
      },
      "name": "describe_agent"
    },
    {
      "description": "Get one exact monthly plan and its versioned catalog lineage.",
      "inputSchema": {
        "properties": {
          "plan_id": {
            "title": "Plan Id",
            "type": "string"
          }
        },
        "required": [
          "plan_id"
        ],
        "title": "get_planArguments",
        "type": "object"
      },
      "name": "get_plan"
    },
    {
      "description": "List the versioned monthly-seat catalog, exact prices/coverage, catalog\n    SHA-256, readiness flags, and pending owner-confirmation notice.",
      "inputSchema": {
        "properties": {},
        "title": "list_plansArguments",
        "type": "object"
      },
      "name": "list_plans"
    },
    {
      "description": "Return aggregate active live-mode subscription count, MRR minor units,\n    and plan mix. No account or Stripe identifiers are exposed.",
      "inputSchema": {
        "properties": {},
        "title": "mrr_summaryArguments",
        "type": "object"
      },
      "name": "mrr_summary"
    },
    {
      "description": "Pull-verify a Stripe session/subscription and idempotently activate its\n    exact subscription period. A newly created account receives its key once.",
      "inputSchema": {
        "properties": {
          "stripe_session_or_sub_id": {
            "title": "Stripe Session Or Sub Id",
            "type": "string"
          }
        },
        "required": [
          "stripe_session_or_sub_id"
        ],
        "title": "record_subscriptionArguments",
        "type": "object"
      },
      "name": "record_subscription"
    },
    {
      "description": "Return bearer-owned subscription lifecycle and current-period quota.\n    The account key is always masked in output.",
      "inputSchema": {
        "properties": {
          "account_id": {
            "title": "Account Id",
            "type": "string"
          }
        },
        "required": [
          "account_id"
        ],
        "title": "subscription_statusArguments",
        "type": "object"
      },
      "name": "subscription_status"
    },
    {
      "description": "Return bearer-owned, period-resolved included and overage usage with\n    exact catalog lineage and conservation totals.",
      "inputSchema": {
        "properties": {
          "account_id": {
            "title": "Account Id",
            "type": "string"
          }
        },
        "required": [
          "account_id"
        ],
        "title": "usage_summaryArguments",
        "type": "object"
      },
      "name": "usage_summary"
    }
  ]
}

What the leaf hashes

{"body":"33e592c1d5682a220466c6e97dbd9f2c4b22016d762cd778194efcb0eefa5251","id":223188,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793028543727323,"prev":null,"subject":"19c1138e-a3e0-4839-8410-534c01e7f0fc","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. 0x98c572ee93e08dff97ebff0a54bdbf88302abf1d19cafb03707b52cb14b182e8
2. 0xa194242fbd99659d6484908734c23f367b994836efbc4ece6f5bba575bdc5f58
3. 0x4e024791a266a6e4d04395665f47a88e37cff2dce5f494410346bd88af742f65
4. 0xcaf7b8d06951aca6d5de8fb252d9810b55b31140ce79d375da985c2cd320b5e9
5. 0xa51c02ba0d113b4d681cdab615636917bfdbcc422ec8f9e8ae80f19ed096380e
6. 0x1ac2f4108356e485be1478f1b2e4be9680a62778ac6ad0efa571bedbd547b447
7. 0x745eae2ef70c66c05143e0c958e4af8e7083c479ba8c990227f1cb74018955ce
8. 0xcc8ca0f6378820260b48bc4600d08a43571ce3fefc384a45b3a0cc8cc9b58c4c
9. 0x60c58c109cf141f86d3f05cb8b72d2d700d217186a72db5089d821a72346206f
10. 0x327a6439faefa2f0179481584b4dc13431843cd957e9758d56e5cb404f7b22ff
11. 0xdc8fbefd31fb9903d70279fafdb3f8c1ade2281bea30bd73cec515e9ff4113ed
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae