Evidence row 29150

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://dataco-mcp.northtide.workers.dev/mcp"
    ],
    [
      "web",
      "https://certvas.com/"
    ]
  ],
  "name": "Certvas — African & EM Markets",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-10T15:21:54.406148Z",
        "status": "active",
        "statusChangedAt": "2026-08-10T15:21:54.406148Z",
        "updatedAt": "2026-08-10T15:21:54.406148Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "License-clean African & EM data as citable agent tools: company fundamentals, tenders (OCDS), macro.",
      "name": "io.github.KingMandase/certvas",
      "remotes": [
        {
          "headers": [
            {
              "description": "Certvas API key — request a free sample key at https://certvas.com",
              "isRequired": true,
              "isSecret": true,
              "name": "x-api-key"
            }
          ],
          "type": "streamable-http",
          "url": "https://dataco-mcp.northtide.workers.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/KingMandase/dataco"
      },
      "title": "Certvas — African & EM Markets",
      "version": "1.0.2",
      "websiteUrl": "https://certvas.com"
    }
  },
  "source": "mcp_registry",
  "summary": "License-clean African & EM data as citable agent tools: company fundamentals, tenders (OCDS), macro."
}

What the leaf hashes

{"body":"0467545b91c90ac9bc65d278d6f29e0b1847d4ba46019cf576ca9c6cf989ce21","id":29150,"kind":"listing","method":"baseline/1","observed_us":1793025360601204,"prev":null,"subject":"mcp_registry:io.github.KingMandase/certvas","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. 0xb773307f4ef35c9bff8c96874b6355bf81e7c670b66bddf70b177efcfdd15903
2. 0x85d8b8a0483300da24df5793929be636fc8149cb6d35fcd94cf37072c4630e8e
3. 0x8dca525d9d9f91476d1139ebfbceac27a7d796616e62fa87feecf296857e1f7f
4. 0xcf478eb221c02807026cba04fbcec72564f5c27b9e4120a971b6f3ab578668b5
5. 0xa589affeb21bb37bd64ad4aac306e857e61989f8bdc13b78a21ca32925b0c4cc
6. 0x34e46065d4bb113b5a7f39c5a1b361b6b97702de51bdf6ab86e53b137df9c726
7. 0xd8d204601070c7de01fd5b1949ea93181e7b108f0861b5a6a0bba1915069f267
8. 0x7b5cd7f8706833802e97df14f64a3a5eddf20f0c45a3af3e29803b33af93aca4
9. 0xf0359fb8b01d33f0e92af1b9ab49c3883d5a0147bd2894e274a90331de319ae4
10. 0x46c12e190c4c718181898afa8461016dc1585a2f1b886b8ea20e5a33551df678
11. 0x552b4fce1ed8f44d691c0a47a6af5ee62ad904edb2ebdc55a5ed71fca6e7564f
12. 0x17930d484cab3f6850715eb0b77dd189c3c06f975cf9def12285fde3eb9b4234
13. 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae