Evidence row 1233759

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "FREE. Is this US bank FDIC-insured and active? Name search → top 3 with assets, deposits and location.",
      "inputSchema": {
        "properties": {
          "name": {
            "type": "string"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "bank_check"
    },
    {
      "description": "PRO. Recent US bank failures (and acquirers), newest first, optional state filter.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "since_year": {
            "type": "number"
          },
          "state": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "bank_failures"
    },
    {
      "description": "PRO. Full profile for an FDIC cert number: assets, deposits, ROA/ROE, offices, regulator, holding company.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "cert": {
            "type": "string"
          }
        },
        "required": [
          "cert"
        ],
        "type": "object"
      },
      "name": "bank_profile"
    },
    {
      "description": "PRO. Active banks in a state ranked by assets or weakest ROA — for B2B sales, vendors and counterparty screens.",
      "inputSchema": {
        "properties": {
          "access_token": {
            "description": "Subscriber token from /success (or Authorization: Bearer)",
            "type": "string"
          },
          "limit": {
            "type": "number"
          },
          "sort": {
            "description": "assets (default) | weakest_roa",
            "type": "string"
          },
          "state": {
            "type": "string"
          }
        },
        "required": [
          "state"
        ],
        "type": "object"
      },
      "name": "state_screen"
    }
  ]
}

What the leaf hashes

{"body":"6875c35b70ab49e9efa2f9c23f07597cbc0b1e72c628dd073dda4a0ece896622","id":1233759,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793347496181756,"prev":null,"subject":"f2f173b1-6328-41e5-8353-3fabc937408e","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x9fdcef6ec0a6edfe3fd4002b1a32ca8a3dfd9a456f85c59ed0dfea71cad28912
2. 0x4a73ae9fb61fd93dcf21af944caf3599f54122ae0dd0bf0e6ab9d5110cdf0e44
3. 0x71f6b20b106fd9f847b40a581e99bd6ee0d9f601b1e01aca7363d9a9ccb7a4aa
4. 0x2e40ac4c4a8d49ef2bc32e6d56d2c623be1553a73556d8232782ba1126d9fbfc
5. 0x14324aaddc5fdd49dc489cdc72a8d020b0d70585be6a5d653bf2b72562144e7f
6. 0x136e4e2fa3ce44c68cab43152d49781df9961b6b0f97ca82c2777729428200fd
7. 0xdf2d3cf6c40cc492fed0d47c828e4705e84140990cd6cfac1d1bfd4e1f7ea336
8. 0x22251bed4e5716374c80dcbcab911bb42db33ab5b4ea6be2f457cb0b3bf0d9ad
9. 0x7037f88f0fb888f512b667f8e558c4f8e86cf1f81304eed84a8a053618334d05
10. 0x468e31c896f1bd9b2427f5ffd60b1fa6e15d1830e48125b31545c9ac7ecf90c8
11. 0x392a211c9983b3934c8ab7b0b9500248ff5d2fce114d9150ed392329c26b231c
12. 0xe8456fde7c82095dd536981ac0646d7cddd340162ca0a0ed5c7615790b0ed9b3
13. 0xa4ef8b242e17e00395357e2457bc5040c7d94e42e7d8cb8e331ba687e9002650
14. 0x1eeab2b7eb6c0e44e79a2d3d5d5f63d9c0f269f286347cee11c002d3e7c1c75b
15. 0x11b43ed362a2fd4976e11eceb94ee4b7edbaf6823474ee1c36489f8f0a0496c4
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861