Evidence row 3945265

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://leagueapps.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/leagueapps/"
    ]
  ],
  "name": "LeagueApps MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:18:06.261047Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:06.261047Z",
        "updatedAt": "2026-11-07T09:18:06.261047Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read programs, schedules, teams, locations and announcements of a youth-sports site in LeagueApps.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/leagueapps",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://leagueapps.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/leagueapps",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "LeagueApps MCP by usefulapi",
      "version": "1.6.3",
      "websiteUrl": "https://usefulapi.io/leagueapps/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read programs, schedules, teams, locations and announcements of a youth-sports site in LeagueApps."
}

What the leaf hashes

{"body":"37b8c5afbe69bf1bb7ac9be7055f5d2613a65464246b1658ef65dcdc25095572","id":3945265,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043456627847,"prev":3775287,"subject":"mcp_registry:io.usefulapi/leagueapps","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x09efd4b69a81ea17a56d410a2c46321f68431691121eaf865836e9799dac4082
2. 0xaff8bf297012a0ed31407f207863ded9974857112769a8cff690b9a1f6f58bdc
3. 0x891a843923ef6eb14f03e584092cd07a9547c517902c9b9aad8cb77ecedc2297
4. 0xd8154068081488f0aac5d6a275e6b4fd56ee73dcd8d8835a73618c895a82bc96
5. 0xbd06d3a7a2b5916fb77aacade9b5797d70fc3cbb895b9f12ce96350e3b864bf7
6. 0xe6d7a70b72817340dc29822f169ba4acf07efa70f696e626547599807b87a718
7. 0xdd3ce5b65d431b45ad9b0d4deaa32e0af2a6a84de83e3eb73e70c362c08ef896
8. 0x0271f2fac399c230b77610463297271a6f8d1b1f1dd5512b54ab7782e515e462
9. 0x343d59dd114dde9d2531516a3b31244be8e997f44f407af04aee3dbb6cfceaf3
10. 0xb4247a4ee9026f45b76c917da284250272ac7423035441556ced66b23798c698
11. 0x3f4563b620b6415b560b94ee294464d5544c2314daac55d1a2e3e2cc23949c2c
12. 0x1b422eea10dac97a091a370fd8ddf024929a6e7e192cd6c6a8020590df30b685
13. 0xcc8237523b2d5a08c4c820f7a8440fa8b577f989896eb892cba06931cc847cd2
14. 0x144e6f529cb7231bff37cd4bad2e3530f3ad930f9de9c48c0f73680bc7f17d30
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa