Evidence row 1532925

What was observed

{
  "endpoints": [
    [
      "web",
      "https://x402check.dev/"
    ],
    [
      "mcp",
      "https://x402check.dev/mcp"
    ]
  ],
  "name": "dev.x402check/mcp",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T19:00:47.726413Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T19:00:47.726413Z",
        "updatedAt": "2026-10-31T19:00:47.726413Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Preflight x402 sellers before pay: ok|caution|avoid + history. Paid per tool.",
      "name": "dev.x402check/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Origin of the deployed x402check worker (https://x402check.dev)",
              "format": "string",
              "isRequired": true,
              "name": "X402CHECK_URL"
            }
          ],
          "identifier": "x402check-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://x402check.dev/mcp"
        }
      ],
      "version": "0.1.1",
      "websiteUrl": "https://x402check.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Preflight x402 sellers before pay: ok|caution|avoid + history. Paid per tool."
}

What the leaf hashes

{"body":"f82312e5d7d834603c58aeed137e5c0a9882a40b4384f865c713372f1523a617","id":1532925,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793474210619952,"prev":null,"subject":"mcp_registry:dev.x402check/mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x0e507053a56c20c720b42f73cadb5e0fc364168c6876d540196a3c57de9625d1
2. 0xd084b83ef22f5025c777390c7ad24a38f47d3a2e30399dcc4452d88ca4454552
3. 0x658e176c10e9d7142cc5c8863b4db41f87be32124683c700d8249a2e4e9893d7
4. 0x3a7e32553ac907497612598832783c6077deac4a124e7f0c4368a05f78dc0f5d
5. 0x9cee87a6c7ba4fdc9b668e5f992baae12524c5e2aed0d3267800215e60a72eaf
6. 0x9965623690634cb1f6dee65a12822cb3fc2310bd83897cc246bd447a432d2067
7. 0xfe5c2075320ffcc4b93a3e161e637bb188987e6fbdb5d2e3672e36fd410c5fa8
8. 0xd0100f865a8029660a322ca5fb4e3df1123c875ef3f205cc2e9cd48c34bb6351
9. 0xc92d824646b66f667f3ea77da5cff45605256be0cf600b2440f72b0474eeefd9
10. 0x753e918e5e11afade2be2da4758499c1358b25df006321a9268058c294743102
11. 0xa21c961f23229786e92be71f698ff2cde4e154bb44d8ce532a0819887f2dd812
12. 0xa115d2aa4bb5cf8cb7b5b8814b35ba5ccc89943ee285b442443e4a06f973efa5
13. 0xcb2cb28a33039aae566babd0a0b4f4ee907393fb561a2e3c876f0270ee9a2350
14. 0x5f01ce2f7be13617b127cba8dfc54bc12d54dc74dbe1632c8104af22668fd4f3
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0