Evidence row 1003177

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": "2026-10-29T06:20:46.811082Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T06:20:46.811082Z",
        "updatedAt": "2026-10-29T06:20:46.811082Z"
      }
    },
    "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": "0.2.0"
        }
      ],
      "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": "0.2.0",
      "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":"2d8161a40937ce35b3849547066060310bbf8e25ab779b59ce493bb56c32d8ca","id":1003177,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793257975413482,"prev":47407,"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 2026-10-29 (242798 rows).

1. 0xe64e27eaf57be32f384f31aaab8adcaa1a87f83921d53bf70603aaef0c52ce89
2. 0x14b01006d0338048583611425732e165f366cae7bcf1a82377fee54b07d7baab
3. 0xcd05c608e787ff05956a6b692df853a56c067336cdc9898dc9b4000ab93ca71c
4. 0x81b8c08fe78f6adc70d4a714cc67015efb56200ebb21b2cf6da109e1c617bbd2
5. 0xca4cc456346fd25ae613f044e967d8c890ea3aad7b52df132abe9da1a4559a06
6. 0xf68ced34be2856cfd53bf0078aba3b0855d82704ad050640aa32972578f32d95
7. 0x5980c15c9fb5c50de5f7887adc2236a96b0baee39d0cd838bc49eaffa3341030
8. 0xef426d4b71d6a3e43a1e34f6eb0d5468e9e9f9392de81853ab8bdd55ae72a4c9
9. 0x910f140578c7041a04c047beeeb8473d044528ea144d65abfc622aa4a7360e7d
10. 0x9c56e9c2e773aaa4a660fb095799987acc2b367ab80e66897e44b93da8cf55a5
11. 0xf68c30ecb87610ef19aa34027c19063368fa0c4636348a8691c1c3838697e6cf
12. 0xb114c96fc8ab6d53f01e4b38e4dd87507c449d8f6213f9a0bf5b8a3a6347bc24
13. 0x5de22c62f0498dae1ca2ce6e9fc1edf95fad1ef39d2b1cf8495d986051499622
14. 0x5eebfacb78943282482b6079e45bf142a28ccb1f65c473e6e0a90d378cca2b03
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1