Evidence row 1234334

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/arcgis-brampton/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/arcgis-brampton"
    ]
  ],
  "name": "Arcgis Brampton",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T07:32:40.880184Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T07:32:40.880184Z",
        "updatedAt": "2026-10-30T07:32:40.880184Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "City of Brampton GIS — Brampton, Ontario (Canada) open geospatial data (ArcGIS).",
      "name": "io.github.pipeworx-io/arcgis-brampton",
      "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-arcgis-brampton",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/arcgis-brampton/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-arcgis-brampton"
      },
      "title": "Arcgis Brampton",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/arcgis-brampton"
    }
  },
  "source": "mcp_registry",
  "summary": "City of Brampton GIS — Brampton, Ontario (Canada) open geospatial data (ArcGIS)."
}

What the leaf hashes

{"body":"c4c2da44cec1cb6e8e741f14449753d4af153c64c1f380431dafe80b9ff60143","id":1234334,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793348111976246,"prev":982564,"subject":"mcp_registry:io.github.pipeworx-io/arcgis-brampton","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. 0x9a0848c3dcc6cf62995a1faf76f898b0e93cc8594724e7c4c574bee19ec793e6
2. 0x0fdea11393a2f3f496ed7ebb8fbcd54af472a167d4b8bbf2c5a6881094962948
3. 0xced5c549284452046905b83894f4a601b06985720ec0c0a170da18f3799a470d
4. 0xe3c9b52ffd07ec59151a8ddf5808add9649d8a0953c0c64ebe43bca9ede3d46f
5. 0xed29436f0667f92fecece57b656ca8cf3ac992dd585c8f91fe19165c533d75e1
6. 0xd346472512749dc1ebc941c62353dcd26c82b65807338cf1eda01a824ec45680
7. 0xecf00428599578beaae0c85961e8d3c36f252357c7b954a7ac3eaa5a5ce068aa
8. 0x4b193299839fe65d413f9ab5512a01810f588c16c47d763ca2082e88f797c049
9. 0xcf337b224b53133b4043a113af236d00481ca38f15f2050d4ff5505be432360c
10. 0xfafb2107b8030857c552fd3448b69e6598267dd7272af28fbc40a99419772dc7
11. 0xe3ee774d06eb866a723515b56175ad6828af797c9b94329494da4abad1094afb
12. 0x340ef66fb7c0c2f3672a2832b3b0629cac315b02de241800213bec4673f5a4fd
13. 0x372bfcb87c70d97986e37af71499d7b740f99f47cd88d8135364b140161cc6d3
14. 0x7db51cf84d41f2e07ef904fc1b6aeb666b2a2762de18ed12ac42d5938eb28dc2
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861