Evidence row 1537633

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/datos-ar/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/datos-ar"
    ]
  ],
  "name": "Datos Ar",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T21:09:19.555509Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:09:19.555509Z",
        "updatedAt": "2026-10-31T21:09:19.555509Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Argentina 'Series de Tiempo' MCP — national time-series API (apis.datos.gob.ar).",
      "name": "io.github.pipeworx-io/datos-ar",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-datos-ar",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/datos-ar/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-datos-ar"
      },
      "title": "Datos Ar",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/datos-ar"
    }
  },
  "source": "mcp_registry",
  "summary": "Argentina 'Series de Tiempo' MCP — national time-series API (apis.datos.gob.ar)."
}

What the leaf hashes

{"body":"ebe7b6456f333969680c2e2bb514e1d504c8efb18664307f3320a6e7084682c1","id":1537633,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481415985386,"prev":1000987,"subject":"mcp_registry:io.github.pipeworx-io/datos-ar","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xc2176f4d34bcd8f4e71810c6d672429291c09f1f4de269dc40f6bf48975b91cb
2. 0x6de27f672fe09f2c77bef93ae4ef445bbee5d0c6f1167cb39be3bad4cd449801
3. 0x8a96d6583c006383f142340ce15173f259d8742457a05ff51f642abb21bec3c1
4. 0x251a41031b12c3112f333c96cc5fc4d4b2c0974864b3670686ea1f90086605c0
5. 0xe74ccb9428ce666d5073048e09590c0f0b89ae27a8b878d6819cda4adf466212
6. 0x5f9b170ae3b4fa990e1982511572f4b400ba34fb2d6501cd97f582602d73f9e6
7. 0xd3123d10a11bdd7ffbc46b17e44060ea4d291a3a95f92e562210796666ef3317
8. 0x2fd9177d1e3e10655b88d3c2c1e3dd84a30980aac1ace69af48c20613976af83
9. 0x806fc41e1dd74bf426b60fae7344a3788f7ed954203150a381a1bd76f2c5754e
10. 0x77b5da947cadcec63e101ffacd81ffd1f51bc93dfe1e424d391836e80f11ccc0
11. 0xe063b46e2ae8a108b0df4b10bfdd2b79ec9abad0757c927de8c7158ce09e3b81
12. 0xf235dcbd3494045eefac0d5d29e24d6b780a055fa6446d6794de8589b0d7de85
13. 0x6a43f11729055834772e6e63a776c1f9cd1e8e43e18f7c877db14b3ff5a6cc4f
14. 0x9dde676db4beb8126c78083f708810f78b6322c93d8e3b10a9a56dd144ea435a
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0