Evidence row 800831

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://method-crm.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/method-crm/"
    ]
  ],
  "name": "Method CRM MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T20:05:00.725267Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:05:00.725267Z",
        "updatedAt": "2026-10-28T20:05:00.725267Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Query Method CRM customers, leads, activities and invoices; create and update records.",
      "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/method-crm",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://method-crm.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/method-crm",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Method CRM MCP by usefulapi",
      "version": "1.8.0",
      "websiteUrl": "https://usefulapi.io/method-crm/"
    }
  },
  "source": "mcp_registry",
  "summary": "Query Method CRM customers, leads, activities and invoices; create and update records."
}

What the leaf hashes

{"body":"10cbef60cfda97fff7fde8e4ee974aabb7155d838641100b1027d9c8daabdd6d","id":800831,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218352208861,"prev":795810,"subject":"mcp_registry:io.usefulapi/method-crm","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x8f509de372caa594ce5b88ea5e2c1cf574d36b3e2e21f9931c53fe6fb9d01974
2. 0x7cc251fb01daf9569efc16592a77d1309f808d43f7751b5f0cddb9b824218265
3. 0x338ca8c7b36542050e1a9f614f5838ce7bf11b3259f48d9574d2d499fdfcf9fb
4. 0xc588a095aa7f13bcc21ddc86584ea742177354866da65dbf5205bc3685bde506
5. 0xd097ca04e01c0b95f3aadac262bef56f1dc7d895aa4a913a5d54bc424fbc3ae0
6. 0xc1ad81b88024421529fbad7c198dbfaec86f5d54218378fa9438e8b40c0fa884
7. 0xa106555d037bd6da95111ec9d558b0338c078e04d0c8c8e6b4833443d2017b11
8. 0x8bd456e7d56613f809899e88ce4aed90e6ff561082eb5e133c3d834dd79bb3db
9. 0x870c9d38dafac926508b83dbaad45eb1dbd854e6703e8e72fc49558979dc2975
10. 0xac6f5e6d350e0d05ed3585565fb0e2ccd227eaabcca73ce40c4ceb613358e43d
11. 0xe5bda96f371c9a601912b527707c132ce40dfa832a85f5ab56904235a79b4c6c
12. 0x7b0c5cabdc5cb3b796f2c10fe1e0fe947814d67a034f0fa630e562156fb3e98c
13. 0xdbb215681a11fa9a73d4086f7e02f913b35a590ef20bcbcc46a343cbef08a9da
14. 0x115e196b75a0422533397227b51b9c807591ec2574919c03800bb0d253f110e8
15. 0xe2f9c120d14f36fdddf9b4e605c5d0b8a13b835e2380472255dc22e14b93e84e
16. 0x74cf00e07b52415c2184cf20be69d195ed2725497a6892c2f3e449497c17d0ec
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae