Evidence row 3945461

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://schedule-it.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/schedule-it/"
    ]
  ],
  "name": "Schedule it MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:17:35.496562Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:35.496562Z",
        "updatedAt": "2026-11-07T09:17:35.496562Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Schedule it events, resources, groups and labels; create and update events and resources.",
      "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/schedule-it",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://schedule-it.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/schedule-it",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Schedule it MCP by usefulapi",
      "version": "1.15.3",
      "websiteUrl": "https://usefulapi.io/schedule-it/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Schedule it events, resources, groups and labels; create and update events and resources."
}

What the leaf hashes

{"body":"b5cbf6e854d2937e643cc4c900242dbdc72b79fc468b19cc02723019984cf8fe","id":3945461,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043458267697,"prev":3775480,"subject":"mcp_registry:io.usefulapi/schedule-it","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. 0xad6e1d408f8bf3df09f533d37750cb2af2aa3a758bd384f501d8d0bde49699d8
2. 0x7036616c24e9647e56c63c9fa607489bfc61bcae742f5579cd02e54325d56582
3. 0x1daea3f50055e7f54ead80b8b684ca7a7ec3ce6e82655c5975ffc1f1ab5d0838
4. 0x2b1de926515879138f8be87b66341262c7840878a6def74977fec53e28ac34fe
5. 0xfcd7539a391b747f43405dfcd15d8f7496da7645461c79755e6ed6d94d8a4365
6. 0x1fa62105decd17eab3c6bfa1cbbb8ed4beede1292c80d4b91c4c9fb7c24a3881
7. 0x7f989e5a66904a90201a1786f4a102a956bf200e9173933ce05d53aa5c66b514
8. 0x62d2f85b215514db0b0f8d5705f32a84f39c0b2d7dd005874abee4b12e63ce5e
9. 0x5ccf138b3f00a853c26989071e640bedf020ce7ef7be3db6f2fbcfc3d3643cfb
10. 0xe89fd49b112665e6da363a1fce3cd0299aa1b120656e779b72f81b41b1a6a2b1
11. 0xfaddc73dbf5b9fa1663cc7dbfede2185aaf11e53d92a27e6691d441a18bffff2
12. 0x360e6b2f627d4e713512b9960fdadba79427cec31e9eae57e3c0173710e3119e
13. 0x7e081e199af948fbf5222d592d68f17f88800feac5a6cd0d0277d898c49a6646
14. 0x6065413194326b10c0e957a6ed77fad045c76a708d9f5e291ca690223cf2d7ba
15. 0x2afbeaef1e4de4b2a6d70326e3dc41f9f1c65d4fc46630d217fc932790b0680c
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa