Evidence row 2726548

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mention.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/mention/"
    ]
  ],
  "name": "Mention MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T22:30:43.421587Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:43.421587Z",
        "updatedAt": "2026-11-03T22:30:43.421587Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read alerts, mentions, authors, statistics and shares in Mention.",
      "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/mention",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mention.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/mention",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Mention MCP by usefulapi",
      "version": "1.2.1",
      "websiteUrl": "https://usefulapi.io/mention/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read alerts, mentions, authors, statistics and shares in Mention."
}

What the leaf hashes

{"body":"a35adcd4d34aa7509da26a9e57d5fe6bb9ce049776d3233bf65e96ba6f0d251f","id":2726548,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747993148824,"prev":2564694,"subject":"mcp_registry:io.usefulapi/mention","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x46b595d321a2fe1f9d79d7370449fe48c7b0cf452f8907533ddd67ad4734b383
2. 0xd83fb041a3f708a71f4fbeeb14ff3422fdde6a25f14f60b596f26303466efb32
3. 0xc4447d2a65b63a12b22bee59ff0d53871a9454d209a32aaf612f21a7b168da8a
4. 0xe815c8de2eea07343965214de1ccb4305404cd53ad7a21f8d595cf161f11fd6f
5. 0xb096f861d6a680a95c570014adb097b609259f617d65fe4b98d6f2f2f592d1d3
6. 0x9bd415517084adad6b8d7960f4b2199a0a1a32f43b0db78faba6d19d362e4dbe
7. 0x5fe6ae23ba06d19e69e070e59dc9eebda06dee0e8e25b8351a4fbed231bfdfc4
8. 0xa886543386cbc4d224256108cb93e7959dee3181199484e159f7aa6dd89fae20
9. 0x44b10aabbd87636b614f376daeb7dd10ae73cc52476ec99294bf7e4a359f628b
10. 0x46303464b1aca05cd9a18bff8633ec7250f95f60b2cb65bc6a8a2430c3bbf9ce
11. 0x329fbf9017e4641dd03636b4c068865230bb7a6fcee198b8786f78f7d8b9d117
12. 0x9f93f87a48cb4128b528f27fa91d5a06a616dd48953cc6f35cbf44c12248d2b3
13. 0x54c9072d283118fea94c9d38b8bd9055a74100c2f0d9bc8f677719bb2b7bc56e
14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7