Evidence row 39933

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://demowithmcp.converso.work/mcp"
    ],
    [
      "web",
      "https://demowithmcp.converso.work/launch.html"
    ]
  ],
  "name": "WebMCP Demo Store",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-18T07:29:52.557673Z",
        "status": "active",
        "statusChangedAt": "2026-10-18T07:29:52.557673Z",
        "updatedAt": "2026-10-18T07:29:52.557673Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "tool": "manual",
          "version": "1.0.0"
        }
      },
      "description": "WebMCP demo store: same catalog via MCP tool calls vs DOM scraping. -79% bytes, -42% tokens.",
      "name": "io.github.kamatanuj/webmcp-store",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://demowithmcp.converso.work/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/kamatanuj/webmcp"
      },
      "title": "WebMCP Demo Store",
      "version": "1.0.0",
      "websiteUrl": "https://demowithmcp.converso.work/launch.html"
    }
  },
  "source": "mcp_registry",
  "summary": "WebMCP demo store: same catalog via MCP tool calls vs DOM scraping. -79% bytes, -42% tokens."
}

What the leaf hashes

{"body":"496fb93f937c7d2c94cd6b39b17a3e1df952e7d7c211ac560e2e4900491567a7","id":39933,"kind":"listing","method":"baseline/1","observed_us":1793025396587659,"prev":null,"subject":"mcp_registry:io.github.kamatanuj/webmcp-store","subject_kind":"source_record"}

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. 0x53e028b87215a742c3a5e08ceab7bf014fc3ceb51cf830f47f880c70bd38da3a
2. 0xb6c3267cf21778e5b25aba9380f37bcb84ff309270ccc32e42cc8d46023e1580
3. 0xbb0108b64b3b95677b7a86dfb4c715b7617d9fdc1d089a523451fa3197e24578
4. 0xe5d59e9d68314a856eb92a2355cd02204438f24cb066537b5c9b3c1a2d2495f5
5. 0x82e221d0865d9f16a3f1b70c2a588fbedf30c4ddcfa1092f0a24d0e554d9bcf3
6. 0x6e14174937a7ead416b88c0e5a62650840311a77c51e9bf9286a6d82894156bf
7. 0xf4888282a9fc02c51fbc721d537b4870cd0f1e8b5d608a62042162f848bf8617
8. 0x00c67fc48f63c2582153c3a8e345581d1a3aa836a49cf141ed671fe23a238465
9. 0x6de35252275872c66261656ad91778274bf661defd7004071c1996b7c44932fc
10. 0x51f5ff307937bdcac2eeb604499c77e1e67ec126246e5fead94e1044a2a751f5
11. 0xa1d1c99aa28ad1dadb7dae5386ee0342e06cf642d29909897d3feca675a6d839
12. 0x774d66905c34a786c6d34bf1c4491dbdb08f534c9eb5f76cf3de03385d28f388
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae