Evidence row 1053798

What was observed

{
  "endpoints": [
    [
      "web",
      "https://ca-air-quality-mcp.donniertf.workers.dev/"
    ],
    [
      "mcp",
      "https://ca-air-quality-mcp.donniertf.workers.dev/mcp"
    ]
  ],
  "name": "Canada Air Quality (AQHI) MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T21:09:07.453379Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T21:09:07.453379Z",
        "updatedAt": "2026-10-29T21:09:07.453379Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Canada's Air Quality Health Index for any postal code.",
      "name": "io.github.donniertf-hub/ca-air-quality-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ca-air-quality-mcp.donniertf.workers.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/donniertf-hub/uk-mcp-fleet"
      },
      "title": "Canada Air Quality (AQHI) MCP",
      "version": "1.0.0",
      "websiteUrl": "https://ca-air-quality-mcp.donniertf.workers.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Canada's Air Quality Health Index for any postal code."
}

What the leaf hashes

{"body":"c6776306a88852f121f721848bfc2f6ac8961591b5252554b0c879f0e696867b","id":1053798,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793312085626593,"prev":null,"subject":"mcp_registry:io.github.donniertf-hub/ca-air-quality-mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xe95c9702148f3a1ffabf214bb31212d32f1b1ea017b2df07818acd9ebcc1b28b
2. 0x4f9bfbc61ae820ad931bbf4bf26563d896523263014f7cc4ea234bd5faed2439
3. 0x53409bf7bb22da73284430b0f5ae43800c1660711248ef1821e4cd5c47f51dba
4. 0xeed75333cc2fd4883c95d68b5562cc5e5e2e3c80952eba443c1ee594aa548e37
5. 0x6858fe16328a3b130733ae0dba256fc1b506604163cd55f5e0505b3c881a6392
6. 0x41f57a4ff7f644faa43b311badc333d0837c5c10e5d13a9b968ed59b9edce534
7. 0x10d12e70580114abc50c5e6312ba45075cafc95f54c068d736d11ea32d2412c3
8. 0x61b5bdfb9aade718caf0087896819e63555d47d52afbcb7bb80c7d916748a102
9. 0x4b73a71b03ca371a815ab8fabac7569341c2b82f645478395bfb1e8127e43f36
10. 0x3a665577df87f72ac0998ce3feb9e71ded3e8a35c0cff898e522a82e07feb011
11. 0x8a6afc5f22310c24ca452c48577c73b6a2419717960036995e8a9513b53170b2
12. 0x0527771872fe2090a8a96ead9de072b8ad5430010cb3eb4cfdc2924ad2bbb968
13. 0xd859aa207a49a75c74466a67b0aea90b4b36aafb58c39ccec12a122ee264cece
14. 0xdd7eee8bdadd60ea2c845df144e254573e75dd4221ce0c344f92f184bcc69afd
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1