Evidence row 1225297

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/data-boston/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/data-boston"
    ]
  ],
  "name": "Data Boston",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T01:16:10.493118Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T01:16:10.493118Z",
        "updatedAt": "2026-10-30T01:16:10.493118Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "DataBoston MCP — City of Boston open data (data.boston.gov, CKAN API).",
      "name": "io.github.pipeworx-io/data-boston",
      "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-data-boston",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/data-boston/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-data-boston"
      },
      "title": "Data Boston",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/data-boston"
    }
  },
  "source": "mcp_registry",
  "summary": "DataBoston MCP — City of Boston open data (data.boston.gov, CKAN API)."
}

What the leaf hashes

{"body":"662716de1c317019a500b408ca25a5ce5206e9ee74b9d385bbbfeac5313c5bf3","id":1225297,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793326490194388,"prev":46270,"subject":"mcp_registry:io.github.pipeworx-io/data-boston","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x54ee6905006360bb1234f5e8c10eecd48666c57abc73070741399d5d750c9630
2. 0x53e1d036582d899a232bccef55a42ab0ff7615fdc5f6fe8630d9f10cfcf6b292
3. 0x66a63e055a88ce389e8db51a4394946ba9708f1e15c80f123547a4e04aa3c9fa
4. 0x99da1b1775cf51b5a1db6d7a271bf250ef74fd5e7823e555a6d77b3e1e288c22
5. 0xa884617d72c8d5ec29d5ffbcd85e897cfc2410167e170762144f84c66d3b0c8c
6. 0xb791de1bece2a3904cb81f3ccd231adf5abd5811516a9c9599eb2fc3b637a021
7. 0x89227a061798abdc71a796ff00b729049748df4397326099499b7f8ec1cf0098
8. 0x52f0841cdaa391fd936c3e64ab814585bfb26d440f0c7909d177ebe110328dc8
9. 0x188cd351e1eaf5f073b63ec7888ed5f5f69452acbd00c8661602058510a612c0
10. 0xc987dbcd698b8e19d7925246edc158cb7507f70e3e9c73643a8eaec2fe28c87e
11. 0x96d64e12e33f9596d724e7e34f224ac7d3f18e6da849ab97f9082a071d7e08c7
12. 0x39553347c4739ac9ed90e3f481e46c8025da9e356a0f6e2526115aad09aaa15e
13. 0x85b6002c61ef4075a6447b26f57b780bd1014041507b2fc474c4280de84b3c10
14. 0xc50bc54a5f909a7a577c4f0728b218d8be3478facb29ad6040ae8212305ae1d6
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861