Evidence row 305285

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Convert an amount between any two supported currencies (crypto or fiat). Uses the direct pair when available, otherwise bridges through USD/USDT/UAH/EUR.",
      "inputSchema": {
        "properties": {
          "amount": {
            "description": "Amount to convert. Defaults to 1.",
            "type": "number"
          },
          "from": {
            "description": "Source currency symbol, e.g. BTC or USD",
            "type": "string"
          },
          "to": {
            "description": "Target currency symbol, e.g. UAH or EUR",
            "type": "string"
          }
        },
        "required": [
          "from",
          "to"
        ],
        "type": "object"
      },
      "name": "convert_currency"
    },
    {
      "description": "Get the latest aggregated exchange rates for a base asset (crypto or fiat) against one or more quote currencies, including 24h percent change. Rates are aggregated by median across multiple sources (Binance, Kraken, Coinbase, OKX, Bybit, WhiteBIT, NBU, ECB and others).",
      "inputSchema": {
        "properties": {
          "base": {
            "description": "Base asset symbol, e.g. BTC, ETH, USDT, USD, EUR",
            "type": "string"
          },
          "quotes": {
            "description": "Comma-separated quote currencies, e.g. \"USD,EUR,UAH\". Defaults to USD.",
            "type": "string"
          }
        },
        "required": [
          "base"
        ],
        "type": "object"
      },
      "name": "get_latest_rates"
    },
    {
      "description": "Get historical OHLC (open/high/low/close) candles for a currency pair over a period.",
      "inputSchema": {
        "properties": {
          "base": {
            "description": "Base asset symbol, e.g. BTC",
            "type": "string"
          },
          "period": {
            "description": "History period. Defaults to 7d.",
            "enum": [
              "1d",
              "7d",
              "30d",
              "90d"
            ],
            "type": "string"
          },
          "quote": {
            "description": "Quote currency symbol. Defaults to USD.",
            "type": "string"
          }
        },
        "required": [
          "base"
        ],
        "type": "object"
      },
      "name": "get_rate_history"
    },
    {
      "description": "Get PriceFeed service health: data source statuses, cache health and the list of supported currency pairs.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_service_status"
    }
  ]
}

What the leaf hashes

{"body":"14f49f9fd1d507ac01bdd0a5ca0b7fceaa0db6153aeeed954622d5ca1873d906","id":305285,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793056370232337,"prev":null,"subject":"bd66adfc-84e2-4a78-95fe-4e0b35a6616b","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. 0x56f5c0c90c8d9df57e262f926a21af1fbeeb1271fd0d2fe3eabe2d7e1a16d44a
2. 0x6855251a2cb2162fc133c6652c51ee2fba0c3267935c4ab59bbc298442555228
3. 0xe8128443b2e2cbd3ed8fd7035a2a950fb979c2f3511461963941482c8c75d555
4. 0xc28df302ea3f5333aeb208faa9e89b1efbe68817721c88053bd9834350baa20d
5. 0x92be8e064f2510b28d26c34759a286a1f9a5812a66358f0b3331355d2206fd17
6. 0xf6278c8f26876f22974de730dc94e8e251fe4f620b143090ae340e2e0764dd19
7. 0xaff939a070f302e5d3320d244c436fc59bda6b6d58f89d0f9c669cef4a820a5c
8. 0x5b0b0b535a829df77990e2d4dcef5c7df0fbdab078924f49a750eb4a125ccd80
9. 0xb3be4a874b183d8692dca7f0753feeeffeba3c7aa1391c3b30d68034c0cdcfbc
10. 0x6ad191c620905d75c8f292ab1bfa2ccb573a7a6056d4736144314aef5604460e
11. 0x7c6e7d8ec8a6bb5540ab8e4e885e6c646f71198fce1b0e917447538a70811486
12. 0x01ecb94c2efbfb8e9050ebbd813fbba80bbcbc345f98de707345bc4bc88c94e8
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae