Evidence row 58623

What was observed

{
  "endpoints": [
    [
      "web",
      "https://sifende.com.py/docs"
    ]
  ],
  "name": "Sifende",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-20T04:20:22.188064Z",
        "status": "active",
        "statusChangedAt": "2026-10-20T04:20:22.188064Z",
        "updatedAt": "2026-10-20T04:20:22.188064Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Servidor MCP de Sifende: consultá y emití facturas electrónicas de SIFEN (Paraguay).",
      "name": "py.com.sifende/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "API key del contribuyente (sk_sandbox_, sk_test_ o sk_live_). El prefijo fija el ambiente.",
              "isRequired": true,
              "isSecret": true,
              "name": "SIFENDE_API_KEY"
            },
            {
              "choices": [
                "true",
                "false"
              ],
              "default": "false",
              "description": "Habilita las herramientas que emiten documentos y registran eventos. Por defecto solo lectura.",
              "name": "SIFENDE_MCP_ALLOW_WRITE"
            },
            {
              "description": "URL base de la API. Solo para apuntar a otro host; por defecto https://api.sifende.com.py.",
              "name": "SIFENDE_BASE_URL"
            },
            {
              "description": "Carpeta donde se guardan los PDF del KuDE. Por defecto una carpeta temporal.",
              "name": "SIFENDE_MCP_KUDE_DIR"
            }
          ],
          "identifier": "@sifende/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ithdev/sifende-mcp"
      },
      "title": "Sifende",
      "version": "0.2.0",
      "websiteUrl": "https://sifende.com.py/docs"
    }
  },
  "source": "mcp_registry",
  "summary": "Servidor MCP de Sifende: consultá y emití facturas electrónicas de SIFEN (Paraguay)."
}

What the leaf hashes

{"body":"2922ede2f8582e63cb9303e848665374be7cc67b692c4c878c439f0d5c39f696","id":58623,"kind":"listing","method":"baseline/1","observed_us":1793025444646175,"prev":null,"subject":"mcp_registry:py.com.sifende/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. 0x07e24048f006ca3e7b69b1563896d9b655346d4745d817923c2f191a6b049155
2. 0x013e6093de6b10662e91d198a550dd74b16b3a1d28de053893cc768effd19212
3. 0x828d67c0198c5ee916148a27be7fa78efdece0430370fb4ac2fc69f67d2f7ae3
4. 0xc010fa99e6e0894b30c77db6ea527dd79729bfc0c82e6e6a1efd128c8ff832e5
5. 0x9e24a03fd757c93da6306b79adcbd39c6b11c96f3963f98f1f4dd3b6754ea99b
6. 0x958b8e9658576840c07f642e5dcf06bf5d74eaa279f68ae90377ed937932b7f2
7. 0x57a39af1ca54ff4fc2c6ca09669a596d78e1a8164b5212e4ef85b391ae480a88
8. 0x18e51c542bcdf0ce31e867990bcfb5d782769a2aa0aeab389e3cccc643f1d507
9. 0xeea4eb4b257a21cea79349051e304c9f01984afa83774c6509013ba81e058790
10. 0x286d15bd62bd4bdc9d226a5307435d38911f3c64d096f3d8addf809f96068fe4
11. 0xe5919b091405f2537da4d32a97f1520286a61795e2d149438b884ef5190051cc
12. 0x6003e14d04cde1d24b195ac15b568dd483e04047e0f2ff64d9632a51a8f7123d
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae