Evidence row 3986884

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": "2026-11-07T21:56:06.414256Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:06.414256Z",
        "updatedAt": "2026-11-07T21:56:06.414256Z"
      }
    },
    "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": "1.6.5",
      "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":"52eebfa71d8e9a84f7f64b61e6503689735fa7486598397f712f9f1447c87d8d","id":3986884,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090325977295,"prev":3958115,"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. 0x22b21efd0844aebed9bff984880c840019f7aa8843f2fde113334af617b57b4d
2. 0x2c2857255e5b007419a11cb6f2747d993524a1033ddcdcc2d96aad58c7aa3a54
3. 0x5e94a95aca2107a1a152adff8ab1258f1f4008c5ef6d6a9b3f14f9f0c99ab72c
4. 0x181cf76307be735becaeec089da061b12057e352d94f4c2914183e02dd00db51
5. 0xcbefcb4d6beec99e4b1900b689eca4360b1fe896621337dd5cb6d09642fa9647
6. 0x815ba54040901c588efc32e482eca4a9b61205e006d82373dcebfa20929078db
7. 0xac0098cccecd0d4e1a1dcde72abe9c1e26a6e89e4a6039b5ec6689887d7742c6
8. 0x32f5565f782b686d560e7a52675d9474800a2592fe334d0144c71ba84feecca7
9. 0xa590ae8f1e275828a411d42324a77501eeb2a2ae0001aed82ad9d3bd0d9f5e52
10. 0x5ec004a5bfd474939b41d2be465e6c553f8db464b087dcec630cee8bc4985d3a
11. 0x5327b3c8bd6c66bc8664ac89a09c86c7ee82b045c7005b4f4ab142666a671440
12. 0x0465b8266eaef71f646fba2c9eabc71b52d4141cfccb7aa23e0fc993adc4c7ae
13. 0x78453dc4e9c270f39d15a1727634a7f24b351d301dd0f7a85d7c6f2ffdf65ffd
14. 0xd1a33ae0335e7cea3634b4772bc65ab22ff7615b5af0fac5752d839e8f2c17ec
15. 0x22002567dfb80a697b73b13f0cc7ab99ac0c0bd9ea84bf4883eeb09f86036e24
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa