Evidence row 1500117

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": "2026-10-31T17:14:01.373765Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:01.373765Z",
        "updatedAt": "2026-10-31T17:14:01.373765Z"
      }
    },
    "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": "1.31.0",
      "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":"b4b8126646df9f5705f0fc08d7aac59067a83b8a8a3987b87aca019bed27b11b","id":1500117,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466974666125,"prev":1481900,"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. 0x2f6129638ed378745e7cafd6e9e4982365b8055091ab88258ddc937faaed1bf4
2. 0x8fd8d2667d3a4de8629f1a523a1122ef0fe2365d469db08205fdbe44af48334d
3. 0x6cac1829d66682dd4d772f07a0ac9c16fdb8414c15b47fce8280a5ef795b60a6
4. 0x4d93d7d7bceefc28d0a0ac47211b60edf7760acd98477231744702830cb4d99f
5. 0x7829dc2e6502f8946499bfdbd7430edc82baf71e66d4d3e51c9f27bd738f029d
6. 0x8cf055e2bfec924a1cd8f13bffa730d5cfdcf7ab479b9cf940e9e2c2f2eb05a4
7. 0x7ec8cc7141f803036f0b391a0aa4994ddc713a001ade32f3bf239fee12795048
8. 0xc768048066ca7d071ca5a233cac581c84300de99a8448250e8a92119ec028b07
9. 0x9654cfc317a18fd2a5117aec924a97347a8a6ab72f5f78cc8119fa816e03e4d5
10. 0x470593294102d5159568545556c9ae4bb7c4c02c77655f4a3352cb198cf7ee2a
11. 0x0dffef5ca11e837e4b96da3601300dd32714e6c8825d1acf7eadfc630266208b
12. 0x0ff4bd6919a86e252318f9297df036e58db36fc8b336568a5a2ec54676a0fb9e
13. 0xe48bbef55c8d5d829e82e0e4f55c6528acd0794a38540b8f8ccfcfc59a8b5df2
14. 0x6a9ee67e2ec2288c0f63ce0ae02c0a91a836bcfae9ed393ea79a911cf00f29f9
15. 0x5212e7c531721a66b1d21d8222c94df019d60ce8150c25bfebe2e6eb1dd39726
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0