Evidence row 519461

What was observed

{
  "endpoints": [
    [
      "web",
      "https://x402lint.something-agent.workers.dev/"
    ],
    [
      "mcp",
      "https://x402lint.something-agent.workers.dev/mcp"
    ]
  ],
  "name": "x402lint",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T16:52:54.546461Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T16:52:54.546461Z",
        "updatedAt": "2026-10-27T16:52:54.546461Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Free x402 endpoint linter: checks the unpaid 402 challenge, payTo/asset/amount, CORS, discovery.",
      "name": "io.github.something-agent/x402lint",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://x402lint.something-agent.workers.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/something-agent/x402lint"
      },
      "title": "x402lint",
      "version": "0.1.0",
      "websiteUrl": "https://x402lint.something-agent.workers.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Free x402 endpoint linter: checks the unpaid 402 challenge, payTo/asset/amount, CORS, discovery."
}

What the leaf hashes

{"body":"650cd1b7c448fc94b3d5bf7e7d80059dedd0aac9db0c950bafdc5236e61c702b","id":519461,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793122147439063,"prev":null,"subject":"mcp_registry:io.github.something-agent/x402lint","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xf8e7fcfc02df2295a81ae770220394113916d377987d423b7fd68142c8862719
2. 0x91fb8099c9abbcefb9c4eba2ce4ab0a03db14f0e3ccc62d8e31e7b39cafd6bc6
3. 0x3c15f5a7a291c69bbb9f3e54552321924bec93445282d9e0417e09a73120b581
4. 0x51c346f0f4ac53a6d0e08d7fc50a9256f20bb5d2d0a83e582d38d84d3a91a9bf
5. 0x4cc87ce976c57bd718270f1b33dca921e706cb99d506643b60df76970d86e56d
6. 0x495a7c3577787f9a96a8ef1d49e5b9183263259a767db72319d15ae6c23c6cbe
7. 0xb608daa33ab5198bfe43c67e41c1c242f07b4db70c67751e8a8342d63689cea2
8. 0x6eedb2384ea6c00e4aeb37923155efc15a120c24d6d68cd98c6b9500e79d997d
9. 0xe9faf7e227ec3a53f0a1ca841671a37905b2c9657ecb1d62f0c27a9f239c79a1
10. 0xb216d7be3719888c5905d4d551a416130bdb347b2c87c55396c45675287fdff5
11. 0x0910ffa4c5b68bfeab876c95d437a268cbe3ce3065ac289e0ccc44dd931c928a
12. 0x3d6ce9e9447d644baa93c05c5ec0a44778000bfa82e0208f4a0086c782198964
13. 0x2cba9be288dab78cb9c5f54fa13242712b2493da9f833a7c3cdd92cde60662b0
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4