Evidence row 1828688

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": "2026-11-01T20:53:16.395891Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:53:16.395891Z",
        "updatedAt": "2026-11-01T20:53:16.395891Z"
      }
    },
    "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": "0.2.1"
        }
      ],
      "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": "0.2.1",
      "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":"0afed73b5b7944dea053e78e4b6ea18651e7093a37554e6a96218304db0b296f","id":1828688,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567868094810,"prev":1001006,"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 2026-11-01 (302406 rows).

1. 0x9be6f987758c323149884b4444ba96ada65d200937ebce1bdc5efcde223c2352
2. 0xd0c474dc4adc94ca3ad4689408ef303f8c0a57d1e819a506a5a9856f793a1c12
3. 0x5230fa3b8d708e60958035f659e3964b1d995675f1539a2c62b16ee6a1b7558d
4. 0x2217073dbeac727f8584de4925a73482effabf3706d2c400007c4003b5316ae5
5. 0xe7e921cb1f729abc1affc7fb7bdd245d7cfffd2a6c88ce525d4956a2e48b3157
6. 0xd2a2134ef0f8c5c00e09be75848de7ac1b0639bc0af5973ec993995b82a8a246
7. 0xd8bcd1e8595c0d79391ef8a2cb6ec866c237c83d60bd9856381d68deabbe1bc7
8. 0xaeb5a5471bfaa0181974a18d31a1fd35b0506341e7cf46effbf3b88ff908910c
9. 0x927ce9e13f62638fb0e9766d4d6d121187c78a6192eeaff09675a7c6a33c1c8d
10. 0x811f5c9458b1fdff111667575c6a5514c70f378eeb3bccc8b68c4e49caa63a40
11. 0x6173881637335708c3e59245b4bd441a34462719b4be2809f293ee032e927e30
12. 0x99dd0a58433972e10fe6af983aa9a9b7d20c9c1412e2e4ad199fb347a07d4476
13. 0x1924cea6ca8d851dc6c770385cf3ddff5f03087e38b2b95faa540dab71151946
14. 0x82d96787431d530f2599d2a77b24c7b5e6f2bf6720f7cd054b4dc0d4ba248628
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90