Evidence row 773606

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Get a published OpenFree tool by its exact slug. Returns a not-found error for unpublished or unknown slugs.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "locale": {
            "default": "en",
            "enum": [
              "en",
              "zh"
            ],
            "type": "string"
          },
          "slug": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_tool"
    },
    {
      "description": "List OpenFree categories with published tools, including category slugs and public usage counts.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "locale": {
            "default": "en",
            "enum": [
              "en",
              "zh"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_categories"
    },
    {
      "description": "List the 50 most-used OpenFree tags on published tools, with slugs and public usage counts. total is the number of public tags.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "locale": {
            "default": "en",
            "enum": [
              "en",
              "zh"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_tags"
    },
    {
      "description": "Search published free and open-source AI tools on OpenFree. Filter by category/tag slug; results are paginated, up to 25 per page.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "default": 10,
            "maximum": 25,
            "minimum": 1,
            "type": "integer"
          },
          "locale": {
            "default": "en",
            "enum": [
              "en",
              "zh"
            ],
            "type": "string"
          },
          "page": {
            "default": 1,
            "maximum": 10000,
            "minimum": 1,
            "type": "integer"
          },
          "q": {
            "maxLength": 100,
            "minLength": 1,
            "type": "string"
          },
          "tag": {
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "q"
        ],
        "type": "object"
      },
      "name": "search_tools"
    }
  ]
}

What the leaf hashes

{"body":"5950949d419782ea8043905ac7a785a51e5de3ce587721227c964fb6ec1e50c0","id":773606,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793194847995585,"prev":null,"subject":"147b2d01-e9bc-4a14-b922-95d23a9915e0","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xa134bc5fbf21672086d76144763c461c779aa2b3f3b332518ad2ecacc89b76ce
2. 0x00e67382a530bb72a5c9f84d5b3e7ea1ef79c3f51c0f6fccbe6d8cdf8ea27f58
3. 0xfce1050052c1317bfac91f86e26b38f7230b9f9317ebd0e2027c71f860cabe8f
4. 0x88cb352d644970c890c97deb0c37d910c14d2d2d540940f7ca3214c34c5968a7
5. 0x52c2999b2cedf6509da71514d16188473d5336d27fde27d51829d830a2098541
6. 0x2b1edda5fdc65b1015cfef36350b75a05b6e65289bd7971c61df5f6e4351318b
7. 0x9a45dc8a3244a74a582aa025a813451473e7627251387c2de8063f49390b9452
8. 0x40a6be4a7fab3a45269af96f84fc9d0ce1b381068c8d9a80b32aaaf257a2a0a7
9. 0xa39702f4cdebd2ed87065b5978b41801701f9ce10275528c6bafc569cba8713c
10. 0x91bf6b80405528d1d250f17479b1ed6244eba7dd72d77baff2e36bcef5f5aa15
11. 0x3fb1a1b11e53557a0188d7ff03356dcad6c7e884616190561a850441d91e4efb
12. 0x842d7b1987612c487a9896ed293fbf4e4e5257a7108fa185ae50a30dccfb4801
13. 0xa938e25481f6c2bb7474d5ed23c3e6616105250a53a3f98587d0ebff02240902
14. 0xc4674b97eec0bfb92cf9c2ffb4427d455d9f902b5fe3ea0be83ee462202d7416
15. 0xcf313ac43fef601c9e46f82a687b6a3c655f47c31675c1791c49de20295be63d
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae