Evidence row 3414173

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://eventone.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/eventone/"
    ]
  ],
  "name": "eventOne MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-05T13:38:56.627232Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:38:56.627232Z",
        "updatedAt": "2026-11-05T13:38:56.627232Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read events, programmes, speakers, registration orders, tickets and attendance in eventOne.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/eventone",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://eventone.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/eventone",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "eventOne MCP by usefulapi",
      "version": "1.2.3",
      "websiteUrl": "https://usefulapi.io/eventone/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read events, programmes, speakers, registration orders, tickets and attendance in eventOne."
}

What the leaf hashes

{"body":"a3a0201a084d2bfa3e2049e90a84beba4b6c4579cacf112c6442dcfc8f4352dd","id":3414173,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888496287897,"prev":3395923,"subject":"mcp_registry:io.usefulapi/eventone","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x3961a865f4d2df37d16e2a0bf7c5a391bda6f73e7f3d8ffe1633fc2567795d98
2. 0x882ce659c157ef1313c412481fd9716f375238e6911929627e3e998ae3df242b
3. 0x9f2fcb8fbe2ab9ea35b72046ac784b8724495417a7c4b0a99e86a4a0b45deb50
4. 0x707db4d8322866665775d66d7f33564fe43d05c834504687c1d8d03d817bf0c4
5. 0xe137ec45d36d68ff234b53769ddf3695e9954c5b668fd7ae02e515bea78a35c5
6. 0x8ed1db72f5000ef22a01d5639081a7417d25040266b577fcea00432e393afa8f
7. 0xb555b52b9182dfcf09af3d2f2941eecc53989517e6c91edd5c8c8f80fc8ce262
8. 0x4f554955a6b1a85b008b46fc42b3d3f915b345e92ce5fc10794e4826a90cf11e
9. 0x337a6aa5b9d6489da7bbbbc37ae42d19466835d9d43820c25ccd7fb7117f2d17
10. 0x459e26bc748437aef443484bde3cac27aad15f8bfc3d46ff00e7bd68a7323d19
11. 0x09fcf1ab1240d20da052e743bc10667928cf76a762f5799eb056525b9eae5edc
12. 0x18d5445408a9ed26be493639220038b087fd7c203db6b677362ce1de68718bfc
13. 0xae73f1d9d6b1f4f2f99129ca5895c00bade7830c5638b1e1f4998cc33b80020c
14. 0x0a1f5b0870d88fe8fca791d84634f4f671d3fa8b4a971278db893d92051aa3ef
15. 0x883cfefa109428dc814deb63a0effe3eb85b3c5ad64045af0b1fa6d33dcf77d1
16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94