addrbookFor publishers
← The evidence ledger

Evidence row 47130

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.pipeworx-io/openaq
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ee74afc65a61dc163544255c3440610b8a094c7c2c8dfb169838f49b3c81eedc
Leaf
0x6dd26db0951d08dfe518d216db0b6ebf9632f6c82ba21ac9845f6c0e25c20bf4

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/openaq/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/openaq"
    ]
  ],
  "name": "Openaq",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-26T20:10:37.67897Z",
        "status": "active",
        "statusChangedAt": "2026-09-26T20:10:37.67897Z",
        "updatedAt": "2026-09-26T20:10:37.67897Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "OpenAQ MCP — global air-quality measurements via the OpenAQ v3 API.",
      "name": "io.github.pipeworx-io/openaq",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/openaq/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-openaq"
      },
      "title": "Openaq",
      "version": "0.1.2",
      "websiteUrl": "https://pipeworx.io/packs/openaq"
    }
  },
  "source": "mcp_registry",
  "summary": "OpenAQ MCP — global air-quality measurements via the OpenAQ v3 API."
}

What the leaf hashes

{"body":"ee74afc65a61dc163544255c3440610b8a094c7c2c8dfb169838f49b3c81eedc","id":47130,"kind":"listing","method":"baseline/1","observed_us":1793025409130247,"prev":null,"subject":"mcp_registry:io.github.pipeworx-io/openaq","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x6dd2566356755e080be220de39faeac42b1d3239880f8091d4650a03366e7c37
  2. 0xdc384478bac52da55feebf7bf40f07ecffb7c16b0919a675550ad05ffe89d816
  3. 0x0240cf3878e311aea0ec81362b39f5e2a6fcf88198703f8cdef5c69ab94328ca
  4. 0x72f4a905b6d5c3c9dcd27eaf1b6786ba0b941b4379bd765e3f893f35a2400594
  5. 0x308e45e58ef3e204c489e2bb97da4c6664531c725d5c4f5648f6bac52b6c2c3b
  6. 0x70f0e0e386e0565fe22f155d5db32b1611e5d3be2107a29f30e594ef0acacb7d
  7. 0x5eced88fa049f09780e1b5cf55ab5ad09f64e8295c703192565031e0432d6030
  8. 0xa44eba31de733e449d539323c7ccd5d88c9d308517126cab986a7c7452c440ab
  9. 0x6adb3bcab707006cadbe14e2119898c9ee7b51117b9aa82e38b5e0fb04bcac8d
  10. 0xf5aa2bc3e76b3f95fd71f83b9a054df718f7d0a19b90288120c902f644e9e605
  11. 0x3167834b22bda59442a4af0440d698d3a42612c3d6ce4e293e0fa97975320c38
  12. 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
  13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
  14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
  15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
  16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
  17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON