Evidence row 3351353

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/seoul-data/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/seoul-data"
    ]
  ],
  "name": "Seoul Data",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-05T01:59:41.408502Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T01:59:41.408502Z",
        "updatedAt": "2026-11-05T01:59:41.408502Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Seoul Open Data MCP — city data for Seoul via the Seoul Open Data Plaza API (openapi.seoul.go.kr).…",
      "name": "io.github.pipeworx-io/seoul-data",
      "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-seoul-data",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/seoul-data/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-seoul-data"
      },
      "title": "Seoul Data",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/seoul-data"
    }
  },
  "source": "mcp_registry",
  "summary": "Seoul Open Data MCP — city data for Seoul via the Seoul Open Data Plaza API (openapi.seoul.go.kr).…"
}

What the leaf hashes

{"body":"cf0dea1230821c69fb423e9b9320dc03307e0f7224ade7b2c479353a6f345d68","id":3351353,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793845272906621,"prev":1003177,"subject":"mcp_registry:io.github.pipeworx-io/seoul-data","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xe4e7d4f6beb1197ad1744ce5796c2b635b6533e155b6f5f5f0b1596a9d83ba23
2. 0x51835104fd9e93cd2aea0f901dd046714f489c7f94c4078c948b222f7f250044
3. 0x23dad2b49319a8c45abf516469c72c8ef2db0923ebde5f8dfcfc8d9a43f43d0e
4. 0xba7f36e35db9702ccd2a3ee0f32974fb015748871b5b52779f0add4d5e49d9a3
5. 0xaaae9ac1f7463ff456a14601ea5972116f0d944fff81e8c5386572d83b184f1f
6. 0x40b60dcc413ecf810a2fea86e6f150bd3fbbfaa8836577e8210b2cf6fc9ec033
7. 0x3d8fdc7b874ebdbab69bbcb20858dad4b7cc2f47f1edc0cae5d31124582f41e2
8. 0x2bbf63fd57150ad2bea5ea44aebdd78b6a54ecae4bf907ca805fc41f8137286b
9. 0x6e01c87c84d3b615214e2ef83c6354f930b2292dca6a95e314988aa6561a153d
10. 0xcbe8cc8ec2bf1ebc3a2dc7e79c4a8ec9493612682db3a2d296634ba4dfc5d9c7
11. 0x0303004003f6760bbf101863351581d56da5c6ef84ef65edd28f3210373b9eb7
12. 0x6720fc7a7c7f49aafc077b28ce127006aa7f976a5bd88d37f21cbd266f4cc760
13. 0xcc057bccb3ff7dfdd207a295697da838a4297a36bd5341cedcac4a9e7bf8f7b8
14. 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94