Evidence row 277624

What was observed

{
  "endpoints": [
    [
      "web",
      "https://docs.factuarea.com/mcp"
    ],
    [
      "mcp",
      "https://mcp.factuarea.com/"
    ]
  ],
  "name": "Factuarea",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T17:49:40.7365Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T17:49:40.7365Z",
        "updatedAt": "2026-10-26T17:49:40.7365Z"
      }
    },
    "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": "0.1.3"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.factuarea.com"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/factuarea/factuarea-mcp"
      },
      "title": "Factuarea",
      "version": "0.1.3",
      "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":"72e24f703f3c682b3463192d5917edf56d6aad2695e78ff895a96797947aca0e","id":277624,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793042040220376,"prev":15016,"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. 0x6fb259e6b4aa6cf5135b20ea43d4b25cd08003ca221a7bc7d8d87389c484d0f8
2. 0xcf07951572a6ba332806bd63bc794abbdf4c1bf8ebb6f10659d7bc1c7b25deac
3. 0x743560f54f1d449cfd198a88e94a4fb972895f174ead653936ad5389c5f179c5
4. 0x078e1b871961dd5fdcb4f16d69a6c4cc6f276254c3c72722a18eda281d148a4c
5. 0xe79fd9f38cf94b1faf44a67f6746bfb6a2c6b70fdfb87f2e494d7aacd2b1f9d8
6. 0x3b335c873ce6c12294f8464bc3f8f07eef92ebb11c5855ff4b48a13b46cbf72b
7. 0x500ad9ef96f1a834b26b7909bb144b7ab133ed1d82463e92c92a7c270a8e5b76
8. 0x94ea7128cd74754f1cb34c8ac8c65ef49512d765cfa5f29d6251404418c38e36
9. 0x5099e35a57aa80fd117292846407c0cd1a0db62ac59ff4e37ca31369444c7b45
10. 0xc70d346129c156fcaba34294b762967bcbb4de7a74526ae0ff9df5eeef4e6d37
11. 0x83da3d3b0ffc00454b09f0b6f54a0a4bb8b5fabd87854d6bb2d7abda681b5d72
12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae