Evidence row 2617153

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.fastcac.com/mcp"
    ],
    [
      "web",
      "https://fastcac.com/"
    ]
  ],
  "name": "FastCAC",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T16:34:17.868465Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T16:34:17.868465Z",
        "updatedAt": "2026-11-03T16:34:17.868465Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Nigeria CAC tools: name checks, fees, annual returns, register search, TIN, NIN requests.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "640x640"
          ],
          "src": "https://fastcac.com/apple-icon.png"
        }
      ],
      "name": "com.fastcac/cac",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.fastcac.com/mcp"
        }
      ],
      "title": "FastCAC",
      "version": "1.0.1",
      "websiteUrl": "https://fastcac.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Nigeria CAC tools: name checks, fees, annual returns, register search, TIN, NIN requests."
}

What the leaf hashes

{"body":"40cee7cb00e6697bfebc2ce4fd9a0c9f2e0612e9af3a35984797624332f2b51a","id":2617153,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793726376552586,"prev":2610200,"subject":"mcp_registry:com.fastcac/cac","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xf18ef5e514dd8f2363500aed4a22d9380bf1f0ffa2bab92e044fd72d186a909f
2. 0x8c54f5f719a1b754836ab5d2ab0155b874b68c3426dd61d2724a9ee82c124514
3. 0xf6d679ebacee157e4ee61e8fb30776c883d065474262086e4fe77b771177248a
4. 0xfd35f92c2e75cbabd30dd3e742c538231f2de7df72958cd696651f8dc374fc84
5. 0xbfdd3ac5c2967f4672ef2136b7ee613c48ac7fd99502926304a4bcbfde39d1a9
6. 0x09d7cdbed5205ceebab430b89dde56e7c3b55269d176f19b8ae0e73167e469c8
7. 0x5490a55e6ddbaf8110f7131c797973f33321f5b5566b4d197826dcdfad30a881
8. 0xb349a469c1547656bd4109d7a685b736d726b1c9800591b6f73070e222622a7e
9. 0xb9dc82e98c506414ddda8af9eead57f2f24ed680932a3a34ad74d3fcd0fec0a0
10. 0x19a67ec7ebdfa070e1bb22a18860fc4818d549b89a489d12695550542a56f8ce
11. 0x23b4fb890810b2d34d8abfb50e6e9cc8ae2ae902012067a9c6df62735df08a4a
12. 0xfe18618faf14f5f3247bf408decfc900cc66a3a6e03adbedbb53236cb4b3892f
13. 0x0ea954b95dc4e26bb21744a0d424db9da57e2da18185ea0406675355cc4a2429
14. 0xc456b1c820d564945f129896256bb07afc74e79940a2da0ea6e9440718d856c7
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7