Evidence row 3958350

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://slottable.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/slottable/"
    ]
  ],
  "name": "Slottable MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T18:05:34.827391Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:34.827391Z",
        "updatedAt": "2026-11-07T18:05:34.827391Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read contacts, slot types, rosters, bookings and webhooks in Slottable.",
      "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/slottable",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://slottable.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/slottable",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Slottable MCP by usefulapi",
      "version": "1.2.4",
      "websiteUrl": "https://usefulapi.io/slottable/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read contacts, slot types, rosters, bookings and webhooks in Slottable."
}

What the leaf hashes

{"body":"f702b72020a302a883a29beff64fdb46c5b29ffa0c86fdb535c012bdb4a4b5df","id":3958350,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075907337949,"prev":3945503,"subject":"mcp_registry:io.usefulapi/slottable","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. 0xd3c3e56377ecb9e00caffc448c31c12353cb5baa87042424652c0f63f4bd3477
2. 0x9abe39124f93f6467f7aa64ecb813bbc5e15b668ff7547b70302f2142dfdd27c
3. 0xfea6bb1472e744c57812254bcd37917ebc9a5eb999bce705ee98772a752bde78
4. 0x11b3f4f058c2ce66ebea477ff23ff1447406a38de3696368065480e679f114fa
5. 0x627cfd72f743810edd4c1850611fcdf68a3c8ad780e7a73f11fb4e42fc502b4a
6. 0xdb5c9104df7545adf1ce16743bd157048da3b807f9d80e90b4c09f324979cf53
7. 0x3c7eac3a00eced1678314f61b95d93d6d3bf37dc358e3338a184247f02546136
8. 0xe3979d386e44e4761177ca66530b89dbfa773089703d3b93f8b75f7d603a2cdc
9. 0x1152e74cbf930e84c82461abf5169fe62f5c95839c776d9c0e9a19b9ac22cd76
10. 0x41d0f66e0201300448794fe2bdd764b2e7c280acc92754635899c4b3ced00dec
11. 0xbacb31dc7a9829f1750a0aa4411ef38915b5cc1ab99db2d6397580cb8eeaadef
12. 0x2068241cf5969ff5745413d3da6d4f7340b9da1b2bdbb6ad90da7c3ea5e2f461
13. 0xa10d60ff982a97344d5fa585644f4cb22119ab8b4ecb385c2e4e5957c1e34829
14. 0x7bd88dbcdea7b744679f2ef6bbd4a71cd8814c46cc02d4ab11745e97813ff9cf
15. 0x8d59bf422a3db88dd24fca3b92cb99d28bd5632a71eaf94e51b925600c735b27
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa