Evidence row 303699

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Show the API key's plan, monthly quota and how much has been used.",
      "inputSchema": {
        "properties": {},
        "title": "account_statusArguments",
        "type": "object"
      },
      "name": "account_status"
    },
    {
      "description": "Get the full text of one article (counts 1 toward the monthly quota; re-reading is free).\n\n    Args:\n        market: the article's market (us, kr, gb, eu, nz, au).\n        id: the article id from search_articles.\n    Returns headline, body, source agency, time, original link and the required copyright line.\n    ",
      "inputSchema": {
        "properties": {
          "id": {
            "title": "Id",
            "type": "string"
          },
          "market": {
            "title": "Market",
            "type": "string"
          }
        },
        "required": [
          "market",
          "id"
        ],
        "title": "get_articleArguments",
        "type": "object"
      },
      "name": "get_article"
    },
    {
      "description": "List the available markets (countries/regions), their language, content and license terms.",
      "inputSchema": {
        "properties": {},
        "title": "list_marketsArguments",
        "type": "object"
      },
      "name": "list_markets"
    },
    {
      "description": "Search recent government press releases in one market. Free (does not use quota).\n\n    Args:\n        market: us, kr, gb, eu, nz or au (see list_markets). kr articles are in Korean —\n            search them with Korean keywords (e.g. 반도체, 수출).\n        query: keywords; every word must appear in the headline, summary or source agency.\n            Leave empty to get the latest articles.\n        since: optional date YYYY-MM-DD; only articles published on or after this date.\n        limit: number of results to return (1-30).\n    Returns headline, summary, source agency, publish time and id. Use get_article for full text.\n    ",
      "inputSchema": {
        "properties": {
          "limit": {
            "default": 10,
            "title": "Limit",
            "type": "integer"
          },
          "market": {
            "title": "Market",
            "type": "string"
          },
          "query": {
            "default": "",
            "title": "Query",
            "type": "string"
          },
          "since": {
            "default": "",
            "title": "Since",
            "type": "string"
          }
        },
        "required": [
          "market"
        ],
        "title": "search_articlesArguments",
        "type": "object"
      },
      "name": "search_articles"
    }
  ]
}

What the leaf hashes

{"body":"ee0f3bf8bd2b6a0a014a36efebaaacca83e70e2c7ee211110c1002f21d1e5422","id":303699,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793055472007156,"prev":null,"subject":"ee76cd3f-9658-4f75-81f9-73072dd52a15","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. 0x17f350d70cbbddc300c8ee59f7c4e9e5bc1bfb9c8130f1dbe5406a2d4c60aa01
2. 0x789abb59c735340936ce38b6f0171dbdb910d68eddc96a2322bedfa4c1bddb34
3. 0x539803f709545a5d882ecd8513b37bdbf9461eaea2b74f929abdf1a9303462d8
4. 0xac8df98bb287a7bb6ca57450b7f30964c042e4e67d549636a7124b6e1e92939d
5. 0xafe74480732448fdf1d6cf3d9e47b6f39dcbb4c1ca2b479d48c86370f8522fc4
6. 0x19002cc2456bce288d1166d81a5f0144a2979d22201c9c7fc7344e652f68d8c0
7. 0xf248659ded6eacefd37370a619fc277a11eed2e2b9b3e679723cd728bbe7f7c0
8. 0xf122327ba31d7f37dcbe947762e72338d37ad0b2ebae239cfa1bc8830bc59e74
9. 0x42312b813f18d43d97d17d292c3cecc6f29ac87fb3e02fb04b0f55bc92477553
10. 0x0fcb0ae13db11f174ecb290ebcb27cf7f0e5aba2eac750fab3d7ca602ae20148
11. 0x84d28434d4d3c4d17b89916035448fc07d9ad132609b14e307edbe020e19d1a6
12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae