Evidence row 1541211

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://emailoctopus.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/emailoctopus/"
    ]
  ],
  "name": "EmailOctopus MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T21:43:57.952198Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:43:57.952198Z",
        "updatedAt": "2026-10-31T21:43:57.952198Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.",
      "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/emailoctopus",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://emailoctopus.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/emailoctopus",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "EmailOctopus MCP by usefulapi",
      "version": "1.33.0",
      "websiteUrl": "https://usefulapi.io/emailoctopus/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus."
}

What the leaf hashes

{"body":"95c3cb707ef538fa11881bca240432a3215e2d88249458c8df34cbb5b7e2f581","id":1541211,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485022440121,"prev":1537799,"subject":"mcp_registry:io.usefulapi/emailoctopus","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xcaadb8c3d9b63c2349de771e5ade4d8b77c69ce4b1dc4845943399dad13a03c1
2. 0x3e1848c074af4486a2831c538bad08fd56d65c840abc82de987d1f11d00c3519
3. 0x5ad7d17e93db2b498f8fd082954d6436dc0969e08b315bc20c7172c07fea791b
4. 0x3011bfc3d4eb54335b8f90f4c2cc642b77c84325770d5cbfda79b40786900ac8
5. 0xaaaf8eb5b017c12fe5094925e8a2ce03d44142dea308ffa6c4fb9b70a1c60782
6. 0x8f5701b9dba910acc32b8559ea3de4a23cfca033e181e96270c8bb35b4661e2d
7. 0x3860866a66dcffbb7ed764b05eeacb6e8d18fe429fba7fcd10535fdfc4aa67cc
8. 0xdbd41785d521bcff606a14901aea63a73880e8f15d95199145a883d6bfdacb19
9. 0x491e8728e28d47a9c84ac40b8b30e35ab0d12d2e17059629813318dc7fb92ac1
10. 0x4ca687ec8d0e91800baf6083f48546627dc96e599faba7c83252ca8cf480cc2f
11. 0xb06a723337cddb8dc6ef8684bbe3adcea832d8381a41205ae70784d55b8dc0e9
12. 0x437aebbeee2b4ff0f11d394da257d0336fb0063e2b4e1f4eebb05cebd50c936f
13. 0xe0d6e3ecef4b18411e0b397b43270df35fb812a3310b2887db923fb26c7ba65e
14. 0x9b9c034ab0236a2e232e78d82d298819198dd0da36f638cae5260bb378f14798
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0