Evidence row 15016

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.factuarea.com/"
    ],
    [
      "web",
      "https://docs.factuarea.com/mcp"
    ]
  ],
  "name": "Factuarea",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-14T16:47:36.329214Z",
        "status": "active",
        "statusChangedAt": "2026-10-14T16:47:36.329214Z",
        "updatedAt": "2026-10-14T16:47:36.329214Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "privacyPolicyUrl": "https://factuarea.com/privacidad"
        }
      },
      "description": "Spanish invoicing with VeriFactu (AEAT): invoices, quotes, contacts, products, taxes and filings.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://docs.factuarea.com/logo/isotipo-factuarea.svg",
          "theme": "light"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://docs.factuarea.com/logo/isotipo-factuarea-dark.svg",
          "theme": "dark"
        }
      ],
      "name": "com.factuarea/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Factuarea API key. The prefix selects the environment: fact_test_ for the isolated sandbox, fact_live_ for the real company. Without it the server starts and refuses every call with an actionable error.",
              "isRequired": true,
              "isSecret": true,
              "name": "FACTUAREA_API_KEY"
            },
            {
              "description": "Endpoint of the hosted server. Defaults to https://mcp.factuarea.com.",
              "name": "FACTUAREA_MCP_URL"
            },
            {
              "description": "Ceiling for a single call, in milliseconds. Defaults to 120000.",
              "name": "FACTUAREA_REQUEST_TIMEOUT_MS"
            }
          ],
          "identifier": "@factuarea/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.2"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.factuarea.com"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/factuarea/factuarea-mcp"
      },
      "title": "Factuarea",
      "version": "0.1.2",
      "websiteUrl": "https://docs.factuarea.com/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Spanish invoicing with VeriFactu (AEAT): invoices, quotes, contacts, products, taxes and filings."
}

What the leaf hashes

{"body":"52c2709e85e32179adf083ac5ae00b015f3eddafee262cecead24a9ce3e0c165","id":15016,"kind":"listing","method":"baseline/1","observed_us":1793025319622963,"prev":null,"subject":"mcp_registry:com.factuarea/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. 0xca82c357c02715015321aa706e7c67052b4e641301740f00115faf45391b4632
2. 0x819022eae7d833a0a5ac1cef6b4bac033cabcc4bc7ef5242dc3faeb4109e4c98
3. 0x79725ec4931d8dfeba5c53510e57f7b60aa6a89c73ed4c60d93dffb0cc7398f4
4. 0x7ca967e96a00611f35c50a206daa165e6228867d6027943b6a28a26ad2ed07f5
5. 0x97d74889f0fda25865c44cd3daa41184510ce0a522061c6cdb8346d083f94907
6. 0xf83dce42bddead105e5212ad6f797880a79d59178e9c8f9bcaa186da9463b7d6
7. 0xe4d559fec7e7a0f145bb98a1e31644c7b48ed283de7373f86d8202577fd8870e
8. 0x82e6221f99ba5c071318698def14f7055e40db45efabace42e860c391fd34c3a
9. 0x5f239c7ea08ed8e208f56415a847ed86745214ff29f09ef6bf4bb80acf4d918f
10. 0xf29e8f51356c1b4788c06270d1e5deddc4d369add09932704ccd63f7e6f91c95
11. 0xd854065b5246baf332a9ace158b6f99219183612c97d95e881ab7a7e7fb3bd6b
12. 0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae