Evidence row 1767870

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://channelengine.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/channelengine/"
    ]
  ],
  "name": "ChannelEngine MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T14:10:40.662955Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T14:10:40.662955Z",
        "updatedAt": "2026-11-01T14:10:40.662955Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read orders, products, stock and returns; acknowledge orders and set stock in ChannelEngine.",
      "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/channelengine",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://channelengine.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/channelengine",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "ChannelEngine MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/channelengine/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read orders, products, stock and returns; acknowledge orders and set stock in ChannelEngine."
}

What the leaf hashes

{"body":"402e0d3885a6e7a3bf8aad6975bcb609af5d73717de77bdbcfaead8bca915810","id":1767870,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793542645676832,"prev":null,"subject":"mcp_registry:io.usefulapi/channelengine","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x4e0a3a0ec3b7a1db02ad12a41315ca31d61ce25d723edb25d2e27f7514bf1c58
2. 0xb95d1c40169e762f1a38532df8f9e29c86b40ccf62ef1375acd9aa32bdf47d71
3. 0x6598bc7420743e42bd33bc98a114e258df45514749d7f11c5a3d863cc788f4d5
4. 0x547d8309e260f4286ee6ee575cef350f207ec40591ccec48a00a927ff34e66f4
5. 0xc220952268723c950c8abdc0eff1e53f2f955e65d3f1091ed9f17270b72c738e
6. 0xa8de7e6690a938f44c996fd80f7d21f0c480af33bd782064781b4a3f56f99119
7. 0xfcdab188e90eb465b3fdf601a247b6e010befddaa80e30c9e5cd68ff92729eba
8. 0xa9f39a953e3d16ccbed1f8d55778c97fc828cb0d9cf433205be583d41a8aedb0
9. 0xbd69e9437568b7997b8723c46653a4a5ef8686831093dbd2366b3c96ecced871
10. 0x183af1a03f8f4fa1e8d0e0dc2ab016e846c1f72371b5370debcd451c1cabc18a
11. 0x85c16e0cedce65f472dbb790c7dec11644a5282a5a4804e790a1b850dc511eef
12. 0x802b1f7cfcb27b60961e820647a7818a97d613683af6dbb845cc14fb9c458db1
13. 0xe856d71d4d8a98af6db9d570016de7389476d0530bd8e162ceafbaf3cd861a5b
14. 0x4dd56cbe7671c2bd3ac1c5d78e38f1cd1c8a879b29f9a6a5b8a22555a3aedcd2
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90