Evidence row 1001006

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/epa-aqs/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/epa-aqs"
    ]
  ],
  "name": "Epa Aqs",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T06:04:31.554393Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T06:04:31.554393Z",
        "updatedAt": "2026-10-29T06:04:31.554393Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "EPA AQS MCP — the Air Quality System, EPA's regulatory-grade air monitoring archive",
      "name": "io.github.pipeworx-io/epa-aqs",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-epa-aqs",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/epa-aqs/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-epa-aqs"
      },
      "title": "Epa Aqs",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/epa-aqs"
    }
  },
  "source": "mcp_registry",
  "summary": "EPA AQS MCP — the Air Quality System, EPA's regulatory-grade air monitoring archive"
}

What the leaf hashes

{"body":"e95a07210c7f6be3880714f902c4f19028829fc0e1230895ab76b9c97831e0bc","id":1001006,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254371832908,"prev":46484,"subject":"mcp_registry:io.github.pipeworx-io/epa-aqs","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. 0xba41d586d3ad7bef6c05feaf27b967ed3e50743f4e11095c1dba8df504da259c
2. 0xc1590bf9bd2a40979c904e67d0973b49e2365e1abb10ce454b6b9106aece4181
3. 0x0da20159785ba94ec43a559ccc803ea47fbf4ce986629a960ecf6d9bbe05d6f7
4. 0x25008d8520b0778155611a3d070d483c79c6b453ed1eb1656fba7670a701f436
5. 0x9fe6f23a620e4c58ab7a8d46b55b68bdd4acac1a1dc1b015b0135e98635455a0
6. 0xe75c8f8c95ef890e4a32d2d55d6af3604b0da5facc1c57191e95c27b7792320a
7. 0x81275c3aa72eab046bfda1b987ba6f18e70398043b99ef900fabc150f78a4bcd
8. 0x34a1784dda03ad3d2b36a6da05afcd645fbc260c2c76b73a55def6b98f3c9525
9. 0x61bc7e8de526273722e33c6a5a231d8302b2d2bf152ecc5469a1c97f028248b9
10. 0xe9870f89db5033cfb7905c0d55d2b2f1f408c0d9467949efc50baeed3d49ad2b
11. 0x9e2ce15bd9a3123a4c4edbe5cb053ae49c7a7cb422253516fb25a94aa7ea8a7b
12. 0x3761ac585bba38d019d79faeb8033cda81535c2592ac436cd3fac43d0150c4a5
13. 0x5fd8a52e5459b8c967c68846e64fa51d631a648282ae3fbd99829c3b4cfdb1a1
14. 0x25bdeb6e977b537e5ffb55862bdb08b7a547e08d655551b6a97e31264fefa58a
15. 0xaa1d19094c2ce6d011a3c40533fa7efee207719d6c482ffc47018b28e5518acc
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1