Evidence row 1537799

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": "2026-10-31T20:56:22.998768Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:56:22.998768Z",
        "updatedAt": "2026-10-31T20:56:22.998768Z"
      }
    },
    "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": "1.32.0",
      "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":"9e5e8de6d12b320f33e54aeeed0ae9602a3f5314017d625394b4e6737e2a0de3","id":1537799,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481417299790,"prev":1500117,"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. 0xa24a962f520ab9b8272be749c1eda9d7ad2fc2e1e16baceda10382c6d4f1457a
2. 0x4acac42933e6c7e18ef1c59c7263765d8cdf9c2ce5d1c9cd44a1bfa0e533cb97
3. 0x536941f52961bbdea3178f64fa0adf6ef7575b1f54b4a90736db9e88e1225ae3
4. 0x36a78f89a1dd48445f03f8473df1f0f596d557ab1d6658c9a58ec56bc10617dc
5. 0xc711bb128e872921fdd8533eeabc3c1a9e7a3641fe7e327d482ac83f4713d8e9
6. 0x1070cc2a5ef0e58745280c1b5a3b310a87efe6553618983b100e695b7c865dbc
7. 0xde2b410f6e41cfbcef9aa4d652270a6d24fd0192be4ddc168c904b733d0ab555
8. 0x629fc2ff25f2be5777680f83530ebdd29eb7bbef1223795a861b5a93ff1494ea
9. 0x232149ae0b9a29659b35653990a18fd727f031f39b284bb7f936e66496a30268
10. 0xb3d237e369df63d1dc1e202320241106afee77bb25c319f587cf91eb8d3502db
11. 0xa5e43ba9168de112db5c3917bbbdd2c01aab71946aa5b67299248cc8346a738f
12. 0x793e109e24366900ed525fd6441b8679bd8e0f90728d544dacac6ad8639f385f
13. 0xbb0d6a5ef6d4a77fc1050819b844be89ee9cf38eab6c5c080e1d03a1935ecfc3
14. 0xfc4e63034c3e47c4cc19a85dbacdb421762119a58090dfe0c71e13f11f75db19
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0