Evidence row 2035143

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": "2026-11-02T02:17:51.18027Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T02:17:51.18027Z",
        "updatedAt": "2026-11-02T02:17:51.18027Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check before paying x402 APIs — ok|caution|avoid + history. $0.01/tool Base; deep $0.05.",
      "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": "0.1.4"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://x402check.dev/mcp"
        }
      ],
      "version": "0.1.4",
      "websiteUrl": "https://x402check.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Check before paying x402 APIs — ok|caution|avoid + history. $0.01/tool Base; deep $0.05."
}

What the leaf hashes

{"body":"b50864b922909e18196f0edc464d8ae1b2c76b3a68abf1826a7fd037ab071245","id":2035143,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793585892462319,"prev":2026049,"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 2026-11-02 (444186 rows).

1. 0xc57a713475544ff15befa83da9686f80aba54638674af53f23de83b31a8ccd96
2. 0xb515be97d274faa560a7c903114755ede897f856a221019d1aa8f4b65f2bac82
3. 0x493d80591b1edaf7c13ee70173212af609bc25eadebf24fdeba17eafe6f06c8b
4. 0xe7cf9cb5b0f2b98e51b2954042abace506554a83c98599d9b1d32ef50b016e51
5. 0xeef4a8a2fff80cdcc4dc139ddf1d550bfe38407fa154d278af5689f7e5dbe7fa
6. 0x8acd3af2017920e4251b8be384cf3f478b98da31182ef9e6fd8b5695ba898aa5
7. 0x2bf63b8fb32da34deaa515c286ff39e9f502bf3374b161f2977fd1038cd0cb1e
8. 0xcb8ca4907da9cb1185c069e53eb5c2f1422ce6c38df3c0d33b539a1f86ea5e87
9. 0x412d3e21c67690169de0a2b5fb03e8c5b1b22e7475ebfc284b08201a68d0d144
10. 0xb610a6b9277941523df44e5dd0800389c2dd133b62cc9617985799ee3067c382
11. 0xc5c0c77a492f0cb9bbd9a9559f0c2443366dac7fe4e24eec19d4addb22b74892
12. 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af