Evidence row 8568

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.ghostengine.ai/api/v1/mcp"
    ],
    [
      "web",
      "https://ghostengine.ai/"
    ]
  ],
  "name": "GhostEngine",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T21:33:51.210405Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T21:33:51.210405Z",
        "updatedAt": "2026-10-25T21:33:51.210405Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Run Google, Meta, TikTok, and Reddit ads: launch, budget, measure lift, fund the wallet.",
      "name": "ai.ghostengine/ghostengine",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer gemcp_... API key. Omit to sign in with OAuth. Agents without an account can sign up at https://api.ghostengine.ai/api/v1/mcp/signup.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.ghostengine.ai/api/v1/mcp"
        }
      ],
      "title": "GhostEngine",
      "version": "1.0.0",
      "websiteUrl": "https://ghostengine.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Run Google, Meta, TikTok, and Reddit ads: launch, budget, measure lift, fund the wallet."
}

What the leaf hashes

{"body":"0b3bc2ab1b58f65d5a5b894f631ada191ffe6ce0de864b893b897d7e377f9021","id":8568,"kind":"listing","method":"baseline/1","observed_us":1793025288085228,"prev":null,"subject":"mcp_registry:ai.ghostengine/ghostengine","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. 0x7f22d4a2eb218437d679ac946978d39dcaada363da1cb9ff974aa8ba5d08b5e7
2. 0x24a924e06263edcdfb2ba1bf0dfeabb9df3cf83408c4b395755561e13a921e8b
3. 0x9c94c5bc87b377325b0ae386202bbba9c7c9434589048e21c106abafa1922a6d
4. 0x97f5fb09806fc2e20395c5f7b66fb0c14c4688ba9f2fe61928fc159b33b8f7a1
5. 0xb8fbd6e6fe804617a53400176d9e6ea9eba9daacf0902e4d848bdc01794d8537
6. 0xf8a2d27664b71f72892046fe4b169d15c2faa1ebea9d5bc9199dd24180ce3176
7. 0xdbfaed8a6f024ba321870538dd6ac621bedb03ea2205eb96dba82a43f1702b07
8. 0x80a6d8cab467acd749d1fe25af283b5bc7dfad13c0adf66935bc2c4caf0f793c
9. 0x113fba6d7207bad277545f607f0a674994c5fd3f204373bd52b7784ddfeb38a2
10. 0x75fb43d121b0c7d36d6ce3843de524bb5cde5e31bd50964f1eb46e9e4d22df1f
11. 0x86993f34ffd04a19214c4b442a83218e78811798750015024990bf574868d9e8
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae