Evidence row 2714623

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://x402serps.com/api/mcp"
    ],
    [
      "web",
      "https://x402serps.com/mcp"
    ]
  ],
  "name": "x402serps",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T21:17:59.518512Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T21:17:59.518512Z",
        "updatedAt": "2026-11-03T21:17:59.518512Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Pay-per-call web search from $0.004, cited answers, crawl, research, SEO and leads via x402.",
      "name": "com.x402serps/search",
      "remotes": [
        {
          "headers": [
            {
              "description": "Set to 1 to use the free trial (25 calls per network, 10/min).",
              "name": "X-Trial"
            },
            {
              "description": "x402 payment payload (USDC on Base or Solana) for paid tool calls.",
              "isSecret": true,
              "name": "X-PAYMENT"
            }
          ],
          "type": "streamable-http",
          "url": "https://x402serps.com/api/mcp"
        }
      ],
      "title": "x402serps",
      "version": "1.3.1",
      "websiteUrl": "https://x402serps.com/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Pay-per-call web search from $0.004, cited answers, crawl, research, SEO and leads via x402."
}

What the leaf hashes

{"body":"b915d7f0aedb1b236c578fd8b4d660bcfbe2f8c697b82d8086b2bcc3e3fe26f2","id":2714623,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793740786645051,"prev":2708758,"subject":"mcp_registry:com.x402serps/search","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. 0xf423ec72e34ec107eeaaae694f3cc71090ffa2b2e7796462ccb7d584e44f7353
2. 0x735c133a40ea4737e12295941ca215e64c8990810edd26cc97935d2623f7072e
3. 0x9a0ddc2426513ccf385d9840aeeb5bca1c3c3de68393b7a58167465103327977
4. 0xb52458e3c5a18495c17021dc0b76358ced2d92cae034ed107fc0777b22d2dc3a
5. 0x466c803eca43ab253bf8139b15e63f5ab1c6a73a0e28b4f9cee70c07cc782565
6. 0x7f22394f7593bce1a8ee2de0115109a27adad91ee90df8ce07c578bf9d76b395
7. 0xae3183b6222391207747c9811833a2579016d44c6ede8608fcde963cbf82b407
8. 0x4da7c657a19ad69214ec60fea630c8af4df955093837d3b2a77c41d5510a395c
9. 0xc4829c8c17481610d8b47a9710e5090e317044e71a72053103cdaf5fdd176ed3
10. 0xb400307cb97db4a11e08cd70b41ed44a72f873d706f3dadd346e4f44dcb8a2aa
11. 0xfe9d1d3e87bb0bbc6766cc00e04739c79fb461e0db6cd80b0c06f9a2a3fbda98
12. 0xdb8c0c03e7d8a8fd22a83683e507947eba2a6b8b605e59cb6c788dc6f06d74cd
13. 0xa3161cb432d7bd6448eb9324e285f75f0a69460cee6b1b15f4e1c7d68cde0384
14. 0xc456b1c820d564945f129896256bb07afc74e79940a2da0ea6e9440718d856c7
15. 0xa29933ab8020ad948edbcf3e65194e73a6b113a0063231c1105b56c2d59ab97d
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7