Evidence row 566975

What was observed

{
  "count": 6,
  "tools": [
    {
      "description": "Start watching an address. kind=wallet|contract|event|safe_queue. For kind=event pass event as a signature like Transfer(address,address,uint256) or a topic0. Optional token (wallet kind: only this ERC-20) and label. Free.",
      "inputSchema": {
        "properties": {
          "address": {
            "description": "0x address to watch",
            "type": "string"
          },
          "chain": {
            "enum": [
              "base",
              "ethereum",
              "arbitrum",
              "optimism"
            ],
            "type": "string"
          },
          "event": {
            "type": "string"
          },
          "key": {
            "description": "Your Ledgerbell API key (from create_api_key)",
            "type": "string"
          },
          "kind": {
            "enum": [
              "wallet",
              "contract",
              "event",
              "safe_queue"
            ],
            "type": "string"
          },
          "label": {
            "type": "string"
          },
          "token": {
            "type": "string"
          },
          "webhook": {
            "description": "Discord/Slack/Telegram/ntfy webhook URL or any HTTPS JSON endpoint",
            "type": "string"
          }
        },
        "required": [
          "key",
          "chain",
          "kind",
          "address",
          "webhook"
        ],
        "type": "object"
      },
      "name": "add_watch"
    },
    {
      "description": "Adds 6 days of Pro to the given key (or creates a new Pro key if none is given): 30 watches, 1,000 alerts/day, Safe queued-transaction alerts, proxy-upgrade reports. Call again to extend. Price: $1 USDC per call via x402 (Base).",
      "inputSchema": {
        "properties": {
          "key": {
            "description": "Existing key to extend (optional)",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "buy_pro_6d"
    },
    {
      "description": "Create a new free-plan API key. Save it: it is the only credential for your watches and cannot be recovered. Free.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "create_api_key"
    },
    {
      "description": "Stop and delete a watch. Free.",
      "inputSchema": {
        "properties": {
          "id": {
            "type": "integer"
          },
          "key": {
            "description": "Your Ledgerbell API key (from create_api_key)",
            "type": "string"
          }
        },
        "required": [
          "key",
          "id"
        ],
        "type": "object"
      },
      "name": "delete_watch"
    },
    {
      "description": "Show plan (free/pro), limits, alerts today and all watches for a key. Free.",
      "inputSchema": {
        "properties": {
          "key": {
            "description": "Your Ledgerbell API key (from create_api_key)",
            "type": "string"
          }
        },
        "required": [
          "key"
        ],
        "type": "object"
      },
      "name": "list_watches"
    },
    {
      "description": "Send a test alert to a watch's webhook (5 per hour). Free.",
      "inputSchema": {
        "properties": {
          "id": {
            "type": "integer"
          },
          "key": {
            "description": "Your Ledgerbell API key (from create_api_key)",
            "type": "string"
          }
        },
        "required": [
          "key",
          "id"
        ],
        "type": "object"
      },
      "name": "test_watch"
    }
  ]
}

What the leaf hashes

{"body":"c6041273434823474148a402eea27cc1521b65a0addf23c287c1acaff71a79f3","id":566975,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793138581115212,"prev":null,"subject":"6bbf01e6-4f1b-4536-b2f9-af8df6f254fc","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x13cb1cd9ca7dafc9b02cf91ef21fa6d7b1ffbf97dc5b8ad62a676727893a401f
2. 0x5af7ec11d3d533c3708fd1e12f2c120ee7cad2927c47beb15c07db1fa53d9c41
3. 0x68599c6e3413621f217b786c9e7ab12778d11ab756fbf7cbbcaf2061f36e8994
4. 0x3b93a49756a346bebe75f22731043699d8b82328ab042e3b6a6627539eeda0ab
5. 0xa91f711065d1a5d4632ed12c2367d30b46e9d8d7c777d80d7559c51fdf251341
6. 0x5487c8caf13dc11300dd650b7b7765d9f7a62c4d65cbb0d6830383a298bf3d20
7. 0xf8348b4efb7678f5091d3603969de3218a0036580fd42d044b11cef3ea6f5647
8. 0x6e6b7a65caab7ef856274ea11c5af10d71bf7b298f3a02acf3b49bca688ba7e9
9. 0x92b46612f3c9fba733f2baa4c114ff277791dc39e34de177776d5f05164a2918
10. 0xd96f473fde1cd92946c23e58fd54baadfd9c1f11cff3e0a7a98622ce5e37b032
11. 0x9e5e540dc59b116b5d606f55ccd86dddee97d517d8ab28f4c6d8c600a67af6bf
12. 0x7cac66284a22c84861ef245248a5242a95b1ad6d2755b690ffdf86f14742a9be
13. 0xfae7ed2d06f4d6ced86c104b6381c26d795f82be10e6314b53b0524bd75a292f
14. 0x52c5141da0cbee106a30396ee7d1360fd22f55084aca2ca436c8007892775670
15. 0x6913cb48392acb8dc5c940dcdb6e6fc889d544f85dff11da249551a5f027e688
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4