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Evidence row 1500234

Observed , by sync.mcp_registry/1.

Kind
listing
About
source_record mcp_registry:io.usefulapi/leagueapps
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e0dab9bc8b57050a6f691a74ce7d4651fa2811737e66e67911cff4ed60283e52
Leaf
0xcc0e828164b0a50313bb19f100298a814382109aa637e4f098bb7b43543a1a09

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": "2026-10-31T17:15:14.448779Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:15:14.448779Z",
        "updatedAt": "2026-10-31T17:15:14.448779Z"
      }
    },
    "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": "1.1.0",
      "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":"e0dab9bc8b57050a6f691a74ce7d4651fa2811737e66e67911cff4ed60283e52","id":1500234,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466975389848,"prev":null,"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 (246033 rows).

  1. 0xcc0f28eae05ef53f6f1d7862052d96fc5db9894af745096313edc4a0454caae0
  2. 0x022d5c4b64b2504776ce4c7dc06ebae0cb2abf42f3a92d4ad17201573b4580b1
  3. 0xc7691bf5bde93450352dd231b089dc785a1cf5c1c2ad0c0480a6e22284f6c2c4
  4. 0x4e87dbc0eb5fecff743897d28c1d39a83a1eddc2498eff218c8ff05d08fda0ae
  5. 0x42472fc2f89340f599d1ad19165841bdce62a0263fbe2ad9aef416e4e70d0eff
  6. 0x2f06d0490749b36a77188392480bf56e2bd27eedfe2ae2081d6e79a46a041f12
  7. 0x9826e950f1f9350a2f0a920feca2d84b8c79bdd1cdf7d7d0b909011c1081ee97
  8. 0xe0c7184c22ced4468cec38c5f79ff1f394b318e9d80d46bf297c7e705ef8e800
  9. 0x119150953d0eb0a874fdbcebac03c408850e7f3585f4c1878037ba8b5dd555eb
  10. 0x71d615f381f0ee6d20c9ccbd325677e59b126079890cec024ab52e853f9aabab
  11. 0x1e9f1a83caf4f3902fa723cbba5c788e50df5392f9ca4089ed47021c9e9b1f30
  12. 0x437aebbeee2b4ff0f11d394da257d0336fb0063e2b4e1f4eebb05cebd50c936f
  13. 0xe0d6e3ecef4b18411e0b397b43270df35fb812a3310b2887db923fb26c7ba65e
  14. 0x9b9c034ab0236a2e232e78d82d298819198dd0da36f638cae5260bb378f14798
  15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
  16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
  17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
  18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57
Day root
0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab
Chained
0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980
Published
On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0

How to check it · This row as JSON