Evidence row 3958115

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": "2026-11-07T18:04:55.359792Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:55.359792Z",
        "updatedAt": "2026-11-07T18:04:55.359792Z"
      }
    },
    "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": "1.6.4",
      "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":"2d7f1181a264671d6c5ab95ea4b3b34468e2c85c3ceb200d870c951bc0dfeae4","id":3958115,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075899307064,"prev":3945265,"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. 0x5fb8fe2e17de0e710645a02b6b2ef849765c201fd3081b9dd1d640e54fee1bd8
2. 0xe100b7da9aafb8a96c5681b6adf5e805a85aacd91c00733a0c22349808a34078
3. 0x7025b84bac1cb886bed7ee47c459e0eb3236aeb38ed029b40b4f624550d8b7b0
4. 0xfadbb087ae34d655dde38594b28178de54428d54daf2c80b34c63e3c10eb6d76
5. 0x890f08864b00956e521f6ad7b9d7f0957e067c3bbc2b5d8d5132a998d2212575
6. 0x36e8a213673ea1d108c119ec8780bb485969180708f094a6400a6adc35efd49f
7. 0x681f1fb6e1803bbe24c26e90b31d20e2638646fb60abf6a2ce170620b95d5a77
8. 0xbc77becd2d57096434874dc6dad4def023a8b557c3aa32de21ce565f4ce2767c
9. 0x0ee3d79aac13deb7d12ef7b7e6722bc1533446db919cd038f748847845d190eb
10. 0x85a7ba6cb342f2b9ef3779be6efd12e95bbf30ef2f15ebd10c94b49d70d39d1c
11. 0x29bbc712b326c7b8dc2aa0589f605d927c1e1511edbe395e9ab06db840acd056
12. 0x3f2d5aba1f5f3cdeedc283d3c4a28f4aeefb12e6c4566954e552c7da76889da8
13. 0x610cfeaa2eca7ae44f051846531f815573ef1030804869a7ed428105b6b78f81
14. 0x712cc609388442c0171a13fe8c2149c1d02ab5643adc1ab035eb3abf53adbae9
15. 0x9127f3a0ab829dab5d80217ddc8d077053e20f2e260baed043c8a97478ebb2bf
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa