Evidence row 2546892

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/useresponse/"
    ],
    [
      "mcp",
      "https://useresponse.usefulapi.io/mcp"
    ]
  ],
  "name": "UseResponse MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:51.959615Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:51.959615Z",
        "updatedAt": "2026-11-03T07:15:51.959615Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read tickets, topics, comments and users, and create tickets or comments in UseResponse.",
      "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/useresponse",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://useresponse.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/useresponse",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "UseResponse MCP by usefulapi",
      "version": "1.1.1",
      "websiteUrl": "https://usefulapi.io/useresponse/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read tickets, topics, comments and users, and create tickets or comments in UseResponse."
}

What the leaf hashes

{"body":"e9a780a10ce2a3a3a5da3572d1219297f2d98c8777ebc0cf401e6f16a95d3fc8","id":2546892,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690351554740,"prev":2130646,"subject":"mcp_registry:io.usefulapi/useresponse","subject_kind":"source_record"}

Proof

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

1. 0x5903164af056d0bfa457e22aa17f4704b9f1f8284e6a7fd0156e05ead91ce41b
2. 0x7f9af9f8513a9bb83ace142224eb917a024fad5c2bc38df8afece413f1b890ba
3. 0x3704771657525e7f5941a0a29272e434433a4a6c68fc8c5e2f2d42cdd5b3bae3
4. 0xddfd96a601565da6c2d57fad3f63bcee74909d31668ec3a9b66113db5f841ae3
5. 0xacdd0a056b3c24237551010debed22cea2d051c0a24d1ce4485c4067dab9e4e9
6. 0xf7848b8fd3b5de0f5ba8fd878e87bbc1a3fcd6cb149bfaaddc0dcb763f172a82
7. 0xb19e7193de3b681be2de113c0efe7f2ee58f6d4926096c8bed63891772dfcc6e
8. 0x44b0a9bee43f8492a24e012386e517b4f53e1a93b18c88045670505e6f602a9e
9. 0xc76407769a16f271eef38b3a2fe768fd066531a306db32ff062367025b9961fe
10. 0x020084244f1a4ed68a444480afc85fe40ee845aca2d59eb5574743b8903b4f45
11. 0x996aa39bdd926a1c06d66e39024d7e21cc487b4ca8ad3cf0e870e0db2bdec612
12. 0xd8df9bad1fb9bc9f80b7d6c2721a69f96d6783dc5f116d66a74d9ba9112150f5
13. 0x387d6b3abb2bc238e53d54b976851224d55ee7b21751b608b1abad8177b78ed4
14. 0x1fc4191e8f35bfa53de7e0451b776edb79a6c6dcdf333b4de5afdb414a516e3f
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7