Evidence row 522933

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Get the factual description, complete published instructions, controls, supported devices, and primary guide links for one game. Accepts a title, public slug or stable catalog ID.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "game": {
            "description": "Game title, public slug or catalog ID, e.g. fish-sudoku-idle or sizeitup.",
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "game"
        ],
        "type": "object"
      },
      "name": "get_game"
    },
    {
      "description": "Read the published guide or article text, section headings, tips and canonical links. Use search_guides to find its slug first.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "slug": {
            "description": "Published blog slug, e.g. fish-sudoku-idle-guide.",
            "pattern": "^[a-z0-9][a-z0-9-]{0,95}$",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_guide"
    },
    {
      "description": "Find browser games matching stated gameplay preferences and device. Each result explains its catalog matches. Matches catalog text and optional exact category/tags; ordering is relevance then title, not popularity or an editorial rating.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "description": "Exact catalog category, e.g. puzzle, card, board, clicker.",
            "maxLength": 60,
            "minLength": 1,
            "type": "string"
          },
          "device": {
            "description": "A supported device listed by the game publisher; not a guarantee for every browser.",
            "enum": [
              "desktop",
              "mobile",
              "tablet"
            ],
            "type": "string"
          },
          "exclude": {
            "default": [],
            "items": {
              "maxLength": 120,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 20,
            "type": "array"
          },
          "limit": {
            "default": 8,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "preferences": {
            "description": "A concise gameplay preference, e.g. idle or sudoku. Use a short phrase rather than a full question.",
            "maxLength": 160,
            "minLength": 1,
            "type": "string"
          },
          "tags": {
            "default": [],
            "items": {
              "maxLength": 60,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 5,
            "type": "array"
          }
        },
        "required": [
          "preferences"
        ],
        "type": "object"
      },
      "name": "recommend_games"
    },
    {
      "description": "Search full-release browser games by title or gameplay. Returns canonical play-page links and related primary guides. Empty query lists games alphabetically; results do not represent popularity.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "category": {
            "description": "Exact catalog category, e.g. puzzle, card, board, clicker.",
            "maxLength": 60,
            "minLength": 1,
            "type": "string"
          },
          "device": {
            "description": "A supported device listed by the game publisher; not a guarantee for every browser.",
            "enum": [
              "desktop",
              "mobile",
              "tablet"
            ],
            "type": "string"
          },
          "limit": {
            "default": 8,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Words from the game title, genre or gameplay, e.g. sudoku, idle, rngdle, size it up.",
            "maxLength": 160,
            "type": "string"
          },
          "tags": {
            "default": [],
            "items": {
              "maxLength": 60,
              "minLength": 1,
              "type": "string"
            },
            "maxItems": 5,
            "type": "array"
          }
        },
        "type": "object"
      },
      "name": "search_games"
    },
    {
      "description": "Find published FoolFish Games guides and articles by topic. Optional game slug matches the primary game only; linked recommendations are not counted as walkthroughs.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "game": {
            "description": "Optional public game slug, e.g. fish-sudoku-idle.",
            "maxLength": 120,
            "minLength": 1,
            "type": "string"
          },
          "limit": {
            "default": 8,
            "maximum": 20,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Words from the game title, genre or gameplay, e.g. sudoku, idle, rngdle, size it up.",
            "maxLength": 160,
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_guides"
    }
  ]
}

What the leaf hashes

{"body":"1fb29fbb9869956ad91942e1a4f10aeac1aa7a8f7d6b258202fcaf7559023798","id":522933,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793124042847367,"prev":null,"subject":"cdf29849-f7c8-4496-930f-d13b8f38bce8","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. 0xdbbfc1c5d6d6f5c93d5454e2281643c6976e723370cb7065d4706d15a48b10c4
2. 0x7da88dd4658420d81b336ee84311faaeea7d5ab8692829f7b1be43ba9358c9e2
3. 0x46895d1f37cb5aff9b5a435b62842e832ba7a47701cebc9732535e6b8974e6e4
4. 0xece0f6ddde60021b1672a87087e060f61a8015cb7ccfb0ad445348d8678b8a35
5. 0x4143dc0d575f37c1d7a903127d1f46cd806dbba909349882d72138b4a262cf84
6. 0x6f0c71f6d2573808438a593066babaed5d8892676604fbeb774209791035845d
7. 0xc583f8315656a6c000da9a410ca9bf2b20543ba9997f073107038eaf6a986acb
8. 0xa87d643fd6d7c54975befd4bc5352f6663ee4f979c70c40c4c1d25fa97782cca
9. 0x6edcfd5c1d8e3f4fe6a2ff6203f08b965f389a2fd7177d5a3a30ec8ce2f715d4
10. 0xf96fb683af5501663c6d702d4055b43f362e81f25b6fbc1d6da8b6f21436eec5
11. 0x334fdc873c6948f434b9c525ce181116a68666c00b1dba45661a30143248eb2a
12. 0xb1729a74b02e0277214cd7ddc7a3826d50fd12538906bbf13236f7c6cca39323
13. 0x9f8e192630bb5fc72241bfdb0460be2fccc141b3afd0197fe2e478dc28ce82a9
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4