Evidence row 22990

What was observed

{
  "endpoints": [
    [
      "web",
      "https://mxprobe.dev/"
    ]
  ],
  "name": "MX Probe",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-23T10:09:00.900594Z",
        "status": "active",
        "statusChangedAt": "2026-09-23T10:09:00.900594Z",
        "updatedAt": "2026-09-23T10:09:00.900594Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API.",
      "name": "dev.mxprobe/mxprobe",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Hosted-tier API key from POST /v1/signup or the signup tool. Without it the verify tools run the free local DNS tier.",
              "isSecret": true,
              "name": "MXPROBE_API_KEY"
            }
          ],
          "identifier": "mxprobe",
          "packageArguments": [
            {
              "description": "Start the MCP server on stdio",
              "isRequired": true,
              "type": "positional",
              "value": "mcp",
              "valueHint": "mcp"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.6"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/cli",
        "url": "https://github.com/andrewchmr/mxprobe"
      },
      "title": "MX Probe",
      "version": "0.2.6",
      "websiteUrl": "https://mxprobe.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Email verification for AI agents: send, hold or kill with the reason. Signup and credits by API."
}

What the leaf hashes

{"body":"c8ab8e79634aec9fcb4aa272c470f4123875139d331d236cbd337c5f84b1f637","id":22990,"kind":"listing","method":"baseline/1","observed_us":1793025350084907,"prev":null,"subject":"mcp_registry:dev.mxprobe/mxprobe","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. 0xe4e16168be09c33a93f25757d5b69a3d647d6d9e0777896bef4d3082dfcf04d7
2. 0x60908635c18aaa01d2513a41015f6ec4f6be894b4e6793bc2ee0cc67485bd401
3. 0x0bfc9287ec4f6dce0829a25009c2169ea62b42a0e1a451185e9f44217ea304c1
4. 0xe04477e28c25ce5ab7c67f3ea2c757a504aa35485737c2a2bfecb0666a7f5797
5. 0xef155c9a13c5d94870526b099e318212839dfeb110274d4cd1e1e3aa5c026cf5
6. 0xea4f1f01bf9cdc3eb442cf12cdf4cbe8571fa7cccd0766821a916777ffadde55
7. 0xb3096ee74ed2ab618298a0ae51910f13cb7c4c613fb2963ace796618c8f5ba7f
8. 0xee363800ec8220e8771b01eee393d22ff744f9244a606a4772b178e1e2e45d79
9. 0x13310043ba03cba1d49faed238d6649837f256fc92211e77729a02015628249b
10. 0xae20f858f8c4842e59d76c7757bc2292fa50be5cf7697b284a497ee9ef7b2958
11. 0x29ce97b519f8e4dff85ae3006efb1220983d391295891bc9cbd27db51c46ec37
12. 0x2fc38b57208d692aab1ee89b6e26917df292126314027c27360c5644a63fd0bc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae