Evidence row 23095

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.pncp.dev/mcp"
    ],
    [
      "web",
      "https://pncp.dev/docs"
    ]
  ],
  "name": "pncp.dev",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-19T09:19:22.573292Z",
        "status": "active",
        "statusChangedAt": "2026-10-19T09:19:22.573292Z",
        "updatedAt": "2026-10-19T09:19:22.573292Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Query Brazil's public procurement portal (PNCP): tenders, contracts and price records.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://pncp.dev/icon-512.png"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://pncp.dev/favicon.svg"
        }
      ],
      "name": "dev.pncp/pncp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.pncp.dev/mcp"
        }
      ],
      "title": "pncp.dev",
      "version": "1.0.0",
      "websiteUrl": "https://pncp.dev/docs#mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Query Brazil's public procurement portal (PNCP): tenders, contracts and price records."
}

What the leaf hashes

{"body":"264f5cffc915a6218cd875719719fac2f54853d7dd970a862047f6bdc16aa9b5","id":23095,"kind":"listing","method":"baseline/1","observed_us":1793025350384794,"prev":null,"subject":"mcp_registry:dev.pncp/pncp","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. 0x98609e47c042d4756ad8c4a25ca1686e84fb6ff873e3a6ea897b9e7146c58c48
2. 0x4a0c5332a2d9b9750c2d26c230f8b53b3ea3635fe4207bb440769fc4698f5543
3. 0xbf224a647b4763873dbe9bbf067862b38cd8da720c8119bc1e501d708f4b931f
4. 0x22fb81b2e43fc5db08999e0ddcae1608a5faef91dd55ff3dec77fdb47509975c
5. 0xac5d6f49a8314c5e3ab4ecdc61fc59d5df76c3dce2c6ec11706132e8d185459b
6. 0x9e47612375dd29eb72fb9ba8a7668a55903f2457747386a5cfc63a4e153d2f63
7. 0xc4362a16b7507d042156cb8635cfb06da7e51882a05d222c3b8d2803bc1981c5
8. 0x455281318e960f19ac13b0ff958f0bb969bb41c96446d1b1efe493f2ec17b32f
9. 0x2c7a0024c244445480437f098e9186841ede0e8da210faa94f0d6ec5ec3b80f2
10. 0x327a6439faefa2f0179481584b4dc13431843cd957e9758d56e5cb404f7b22ff
11. 0xdc8fbefd31fb9903d70279fafdb3f8c1ade2281bea30bd73cec515e9ff4113ed
12. 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
13. 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
14. 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae