Evidence row 443031

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cogmento.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/cogmento/"
    ]
  ],
  "name": "Cogmento MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:35:10.446711Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:35:10.446711Z",
        "updatedAt": "2026-10-27T08:35:10.446711Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Cogmento CRM contacts, companies, deals, tasks and cases; create records and complete tasks.",
      "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/cogmento",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://cogmento.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/cogmento",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Cogmento MCP by usefulapi",
      "version": "1.1.0",
      "websiteUrl": "https://usefulapi.io/cogmento/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Cogmento CRM contacts, companies, deals, tasks and cases; create records and complete tasks."
}

What the leaf hashes

{"body":"bcb8c02925911c64e51ef11920c971edc010cb6aa3067ddd892264a0dab4d398","id":443031,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093257172194,"prev":56539,"subject":"mcp_registry:io.usefulapi/cogmento","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xf88e08ae01d2bd693975ad5953147b66f6c41abea8a5aa637b07df801fb96af5
2. 0xca117163e2127f3205659047edd3e27c76335c9b330363edfae137d70df0969f
3. 0x338452bbbadbcf3800785e706c90dde87bbf7a48492f03d5a89cc348a99a2414
4. 0x400fa8be3f76413f709e7ff8c8857bc9da7ef16759ca721f7fa929cc440d977e
5. 0x741d2e62eae6740ba5d0c17a000ed5bf6efed6a362d63551bd5f3fe5bc2b8585
6. 0x0c147bf3ce638dafc9d86df955bf7d85c5fff6f6d115caf1636095fa528febb2
7. 0x1fcbd2ce0b6407971910c72dbf93ebe1c525b9dc08340845409043a29fcd5910
8. 0xa85908355c25f81b7db592833f59dabe249809dbab0ace1aa45806eb8df0cd27
9. 0x7bdc6728d03a32e736e557a5ee004cf5fb20c4956608d38ca438e03159995b33
10. 0x56dcd9d0921c2081b345026c0b20180a1e39cdbf19a2af10908dfa42d8de7784
11. 0x0910ffa4c5b68bfeab876c95d437a268cbe3ce3065ac289e0ccc44dd931c928a
12. 0x3d6ce9e9447d644baa93c05c5ec0a44778000bfa82e0208f4a0086c782198964
13. 0x2cba9be288dab78cb9c5f54fa13242712b2493da9f833a7c3cdd92cde60662b0
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4