Evidence row 220728

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Docs for one item: install command, usage example, props, keyboard, accessibility and notes.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "slug": {
            "description": "The item's slug, e.g. reaction-bar – add -clean for the clean style, e.g. ai-answer-clean",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_component"
    },
    {
      "description": "The full .tsx source of an item, to write to components/ui/<slug>.tsx when the shadcn CLI isn't available. Pro items need the user's access key in the MCP connection.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "slug": {
            "description": "The item's slug, e.g. reaction-bar – add -clean for the clean style, e.g. ai-answer-clean",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_source"
    },
    {
      "description": "Every affectUI item with slug, section, category, free or Pro, and a one-line description.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "section": {
            "description": "Limit to one section",
            "enum": [
              "Components",
              "Screens",
              "Blocks",
              "Illustrations",
              "Motion"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_components"
    },
    {
      "description": "Find affectUI components, screens, blocks, illustrations and motion effects for a UI need, e.g. 'chat input with model picker' or 'onboarding checklist'.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "free_only": {
            "description": "Only free items",
            "type": "boolean"
          },
          "query": {
            "description": "What the UI should do or look like",
            "type": "string"
          },
          "section": {
            "description": "Limit to one section",
            "enum": [
              "Components",
              "Screens",
              "Blocks",
              "Illustrations",
              "Motion"
            ],
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_components"
    }
  ]
}

What the leaf hashes

{"body":"a459e3e663f896657c6c0ed11d9b064ba26c0474c0c7f51da996d0da84f449aa","id":220728,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793026857872558,"prev":null,"subject":"d1a54b77-b9c4-483a-8d0e-f44d3a2d8333","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. 0x504a2f1236cfe240352973a5bf340a59910c1a406606bc0d504beac05361aab5
2. 0x2b98e345c8c7eed5c7a444bd6efe56359eed09c8ab728469379f696dcccf6d92
3. 0x3cbab15ee5a70283098a0dc506f9be769d9e636bf259aad6ecb6e0ef89b845b5
4. 0x4d255c228eba74a34716ec6f4f18fe5142040057f2c837400ce720e22df69708
5. 0xd442af20ae9ade8e2bd4a88a0f317068bc3db70a0516d4becda16f2ab6923be1
6. 0x0128850e0803fc5219abe36469f934dd6b3a2b13dde4459744cebb68962101fa
7. 0x1c3cc54f4317f66762917949c70abe8ae3b4054256444b7eed3a5e723c176bcc
8. 0xff0f356fbdbff7a567ec6cdcc734353f19592e58b69f1edebc5ad71c909c46d4
9. 0x1ce8c17427e7cda68d27094400df00e10add7924ee994e68f479021a800ed65b
10. 0x3ffc29bda4b9db0bbd22701201836cd30915524996019abd0333ddffdac24a1e
11. 0xe281245a49847bca87f4c96f8da0284eeef688f3f597a62adb2d9089f4385e55
12. 0xecaf47ba75097c34f2d3c4d62539dace0db8b484bf08941a9259e2d1e8ccea77
13. 0xf7d2cf278e5d2768b8bdb70730c378877cf7165d8efcbec8bcd3282fdc50d177
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae