Evidence row 18857

What was observed

{
  "endpoints": [
    [
      "web",
      "https://www.catastrogps.es/developers"
    ]
  ],
  "name": "Catastro GPS",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-24T05:52:23.863786Z",
        "status": "active",
        "statusChangedAt": "2026-10-24T05:52:23.863786Z",
        "updatedAt": "2026-10-24T05:52:23.863786Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Cadastral parcels from 29 European countries, by reference in 27 and by coordinates in all 29",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://www.catastrogps.es/images/logo/favicon-512.png"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://www.catastrogps.es/images/logo/favicon.svg"
        }
      ],
      "name": "com.parcelgps/catastro-gps",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Catastro GPS API key. Free tier: 250 calls/month; failed lookups are free at https://www.catastrogps.es/developers",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "CATASTROGPS_API_KEY"
            },
            {
              "default": "20000",
              "description": "Request timeout in milliseconds (official cadastres can be slow)",
              "format": "number",
              "name": "CATASTROGPS_TIMEOUT"
            },
            {
              "default": "https://api.parcelgps.com",
              "description": "API base URL",
              "format": "string",
              "name": "CATASTROGPS_API_URL"
            }
          ],
          "identifier": "catastro-gps-mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "2.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/TheHiddenPandaDev/catastro_gps_mcp"
      },
      "title": "Catastro GPS",
      "version": "2.2.0",
      "websiteUrl": "https://www.catastrogps.es/developers"
    }
  },
  "source": "mcp_registry",
  "summary": "Cadastral parcels from 29 European countries, by reference in 27 and by coordinates in all 29"
}

What the leaf hashes

{"body":"4c9294d2c8d72fa58c347760e6d5d92567fc74e33c81344d1bb0a04629d5f544","id":18857,"kind":"listing","method":"baseline/1","observed_us":1793025330925071,"prev":null,"subject":"mcp_registry:com.parcelgps/catastro-gps","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. 0x66eb287908b0e96163f6124e919c7416b4718798880b17f13b91fd21f8ff6656
2. 0x510343ed665fd64b67c42392d5e511849a58aea6a93d72b4fe5bcd3f39925931
3. 0xa700a05b971ca98868996f6cd9f4c73cd8921ffca95113ddc004976ae0cf6d8b
4. 0x3b47a591ff3f4f74a404797c8c00848ed6344da1b61caa355bd006ea82f78705
5. 0x78a908e6ad55ac965eb472a1d6a9221902b79459ae70f526aca3c45797f00aae
6. 0x43b90a872f190d42a390492029d144a77d1a40af4982fadba42023fed88b057f
7. 0x2fc0aa5857faece81d38a2105c7fbca6f341267ec466adf92987c7a3bb4aab08
8. 0x4c5ecdd19fad33fd8ba089c5730128c1dcc3bae61ee7d76c6118c304ad331665
9. 0x39d055f1a5898b25bdcfd8aa904cd619413462803f89fae9558b66148b215879
10. 0x1532666d1a6a9b626e54c3e93335a185ec833ad947243bdea3c723654b68d9f4
11. 0x13951c97c827e2025801573dada28cfb5f8038c9b4de741f9d526cb67b3fe605
12. 0x260682fd6ecd274e73505c5e0bd798abdd0e702afca4f8eebd4331b607a6b175
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae