Evidence row 304117

What was observed

{
  "endpoints": [
    [
      "web",
      "https://jsonpage.com/integrations/assistants-ia"
    ],
    [
      "mcp",
      "https://mcp.jsonpage.com/mcp"
    ]
  ],
  "name": "Jsonpage",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T22:12:21.240234Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T22:12:21.240234Z",
        "updatedAt": "2026-10-26T22:12:21.240234Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Company data for 14 countries: search firms, check company IDs, validate VAT and EORI numbers.",
      "name": "com.jsonpage/mcp",
      "remotes": [
        {
          "headers": [
            {
              "description": "Your Jsonpage API key, sent as a Bearer token (Bearer YOUR_API_KEY). Create one in your Jsonpage dashboard.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {api_key}",
              "variables": {
                "api_key": {
                  "description": "Your Jsonpage API key.",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.jsonpage.com/mcp"
        }
      ],
      "title": "Jsonpage",
      "version": "0.1.0",
      "websiteUrl": "https://jsonpage.com/integrations/assistants-ia"
    }
  },
  "source": "mcp_registry",
  "summary": "Company data for 14 countries: search firms, check company IDs, validate VAT and EORI numbers."
}

What the leaf hashes

{"body":"7a5998eb87b43883776d02a627401909687270fe85a8c3d99b230678284a4a4e","id":304117,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793055761867788,"prev":null,"subject":"mcp_registry:com.jsonpage/mcp","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. 0xd1dd0bcf7b45c003262364a98781f162e9529f0729eb33c54ce770e3c544aa8d
2. 0x332dc70f78d6c4cfd7befddb0c67f08396e998f28fa1eca47375df7bf2dc1827
3. 0x6f1be7208de00aae06e706e2e3f19f99ee8391644525db3a4a1dd50b8222964c
4. 0x0b0e020a8fb683020e69bb413f6d1776db18eeac4dbb83fabeb251ca11c0dedd
5. 0xe999e1451321dd890b969fb45720f53786155b7fe9c31efb5cb9b02edf736120
6. 0xf7d374c2f2fecb59a6b1daa6f0c5bfff503ae0dcf220219a27f06e59f99e20c4
7. 0xc063253f8a677f3010d1b78325d0a50af389d0749e3ae315b87f2331491d9b7d
8. 0x5d3986c307256c51814492d48d312afee4feed8f7987180877dfdbc5464a18eb
9. 0x4150589061b30d291e7235f1a994be8740c3c22358057bceadb9de1f7a4e886b
10. 0xd03ba161f40c51580284bcf2e65fb1818a9cf130ec62c36d7043b982e4e3abee
11. 0xf2fdee89378769052782dfd25aeff4865ec268617aa70e6d5f36f0b04808af0c
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae