Evidence row 2566249

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Steps to add a Foundry44 component to the user's project, for any stack (plain HTML, React with or without shadcn, other), with its markup, options and pitfalls. Follow them in the user's project. Pro components need the user's Pro key in this server's Authorization header. Getting a Pro component counts as a download and ends the buyer's 14-day refund window: call get_component only for the Pro component the user chose, never to compare.",
      "inputSchema": {
        "properties": {
          "name": {
            "description": "The component's name, as search_components gives it (e.g. 'spotlight-card').",
            "type": "string"
          },
          "settings": {
            "additionalProperties": {
              "type": [
                "string",
                "number",
                "boolean"
              ]
            },
            "description": "Optional values that differ from the defaults: an option by its name (e.g. {\"duration\": 800}); a colour by its CSS variable (e.g. {\"--f44-spotlight-card-color\": \"secondary\"}) with a palette role of the project (brand, secondary, text, background, muted) or a #rrggbb hex.",
            "type": "object"
          }
        },
        "required": [
          "name"
        ],
        "type": "object"
      },
      "name": "get_component"
    },
    {
      "description": "Find animated UI components in the Foundry44 library by what they do (e.g. 'text reveal on scroll', 'cursor glow'). Returns names to pass to get_component.",
      "inputSchema": {
        "properties": {
          "category": {
            "description": "Only this family.",
            "enum": [
              "3d-objects",
              "backgrounds",
              "buttons",
              "cards",
              "cursors",
              "dividers",
              "footers",
              "headers",
              "images",
              "navigation",
              "tags-badges",
              "text",
              "transitions"
            ],
            "type": "string"
          },
          "freeOnly": {
            "description": "Only free (MIT) components.",
            "type": "boolean"
          },
          "query": {
            "description": "Words describing the effect, or a component's name.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_components"
    }
  ]
}

What the leaf hashes

{"body":"4d156abf0b9b2c1c7a4f2379666e6bac2d6f8122901bee1bc1d6dc1c05e14350","id":2566249,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793701883297843,"prev":1544226,"subject":"a4eaca62-4cff-4ae5-98ed-acc974153b21","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x04e4864f98d55d247e7f327e2eb95b1ad0dcca6f7aaf6949225607c1b1d93f11
2. 0xe8ee8e137a13cb7ce54a823e8cebe70dd464b2cb3a85a5d97e72438cabf31504
3. 0xd31c1b56974e14301769b1f6893bd695a5cb43b0bfbf3e65390c4b1170820d97
4. 0x1156f7a0bb3875aed63aeefc9810c358199bfc6facba6b2a63c620c21dfd63b0
5. 0xcda5b8beebd3677cd4ee67166b4e26e6a51a21e5903fbcb40576ba50ef2a43d0
6. 0xd2e69caae5965cd6b5b7d0d4300677afc4c749483b4a6d5fead8a922f4208007
7. 0x4aa867f95926748bc29d42995ce705a351b02b360e41a0248f12eeceb2144a5f
8. 0x940f10f06d7a9584141d762d3c46b56c708bfd8e658516f43677f71061d571cd
9. 0x6e4ca25145e54cf0498a64acc4ce25618cb52288283b73b713768e2f27c6be59
10. 0x8241d013019c0059f8eae692ee7cc0f6bc87d43d12334257c947c133ecadb7a6
11. 0xd6554cad2e3a0d024e67abe473592295dacb77166d8acd832baf64be5185d433
12. 0xaa16274fb697ff284124b3e00ee202a476442f891c7e4c41eb280f2400242f67
13. 0xaec437d1d1c6ff6e0f177901126ae489eb66919a42d50ffe51bf6fdce48420d9
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7