Evidence row 294188

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Convert amount between currencies using live rates.\n    Returns: {amount, from, to, rate, result}",
      "inputSchema": {
        "properties": {
          "amount": {
            "title": "Amount",
            "type": "number"
          },
          "from_cur": {
            "title": "From Cur",
            "type": "string"
          },
          "to_cur": {
            "title": "To Cur",
            "type": "string"
          }
        },
        "required": [
          "amount",
          "from_cur",
          "to_cur"
        ],
        "title": "convert_currencyArguments",
        "type": "object"
      },
      "name": "convert_currency"
    },
    {
      "description": "Get cryptocurrency spot price via CoinGecko (no API key).\n    symbol: btc, eth, sol, etc. Returns: {symbol, id, price, currency}",
      "inputSchema": {
        "properties": {
          "symbol": {
            "title": "Symbol",
            "type": "string"
          },
          "vs_currency": {
            "default": "usd",
            "title": "Vs Currency",
            "type": "string"
          }
        },
        "required": [
          "symbol"
        ],
        "title": "get_crypto_priceArguments",
        "type": "object"
      },
      "name": "get_crypto_price"
    },
    {
      "description": "Get latest foreign exchange rates for a base currency via Frankfurter API.\n    Returns: {base, date, rates: {EUR: 0.92, ...}}",
      "inputSchema": {
        "properties": {
          "base": {
            "default": "USD",
            "title": "Base",
            "type": "string"
          }
        },
        "title": "get_exchange_ratesArguments",
        "type": "object"
      },
      "name": "get_exchange_rates"
    },
    {
      "description": "Server health check.",
      "inputSchema": {
        "properties": {},
        "title": "health_checkArguments",
        "type": "object"
      },
      "name": "health_check"
    }
  ]
}

What the leaf hashes

{"body":"48e4c18a47e88e5cac5d770a4471af0be3f573cf9bbc3f5ce3a819a619801c74","id":294188,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793049944046675,"prev":null,"subject":"7bfff82c-3f56-484e-a657-1215659a1bad","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. 0x1427cf4394e3c27648aba3737c66101c39951b3dc625e959b68422bf6a8c408c
2. 0xf2237c17430c7e500ece47c8b6cfe14d73fb096bc91cf26f9a6e3841ff22b284
3. 0x4cded97b657ca5c86b9d970bcc73c7c7c72eccd6a7c107150854df0dc1ad65d4
4. 0x91eff3ae220f6e8fc913f611a754653741a44846628aa2eaefc41e4f2397845c
5. 0xa66c7b7cd4c3e22f4ad39730b6f63c99bad4b12b8372ab3d5f28f70a60d88529
6. 0xa1935eb88ce730dac38ba5608af89e9549e05c53f0fac89bc84bcd784edc84e3
7. 0xc44040c4b3c40eddcc055f5dcd88d340ea4262e4be2b780cacb8cbc18921ec2b
8. 0x185dd2d0c7c2f4f74f71f602f54ca0dc4d73da9146c7af61ddeee823b4901aa1
9. 0x4e317cb86cb5b99084d789e62de0cf483ec892c013146be3a9edf4e02b5a3928
10. 0x7db5a200b679db21ea2e6e1ef5754ab4e6e096c29c406025cdb376cb10cfb19e
11. 0xda5e2c2f0532a3bc2b2bc361905db44768a9ec088fd32d70f9333b7801b14b95
12. 0x2412cb8bc4d10d94e1eb907d5058dd12133e55416609e1b314e811af76620542
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae