Evidence row 3395910

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": "2026-11-05T11:40:50.853414Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:40:50.853414Z",
        "updatedAt": "2026-11-05T11:40:50.853414Z"
      }
    },
    "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": "1.35.2",
      "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":"999fffebbd599f016cedf4c7815ce13f0545f9c03887a071c0b83e7c496ce192","id":3395910,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881288312475,"prev":2726346,"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 2026-11-05 (322504 rows).

1. 0x0885bbc9ce3a155410425adb1ab5624a39b174d9e5eb18310a61d8c2e3dc1dd9
2. 0x26cb6e328f79b5f0e2ceda6e69e347493875d78c59d71639ec7f2a2be65fb69c
3. 0xc9ef993798032588d8e6eb677ab69e793b27fd93148c4e1a022e657b32827c9a
4. 0x04e816514b097ec8b6ad5067b40bf98635fed3d4af126bec6b351bd01705c2d6
5. 0xe7a779acc904db6fc91cf9527280735756aa23110f25c2bf62a4a356a51ab549
6. 0x4a052fd4a46430bf9af208c8ab5dd058023335a3624b4a3ea084a9f0a5b5a37f
7. 0xeb6c176ebde06fb0f6e4595672f035555663a4a573d9b0aead03115098883937
8. 0xe8d72c89699f56d7f3299b3818d50c5e2eb9d0439a19884f5b21790488b88a40
9. 0x82c3dc05e801ac301b0c3cf10ad92741aa0b490709d68f947c23fcfd7c1b0c53
10. 0x1c52bc5715768cf15869660d0a97d2e0a2499e301bf726308b831ea2451137cd
11. 0x404bfbd293ab1092c24266c6d16040c98d90d6a2db498bd5b436e1865910e3bb
12. 0xf01fef0fed33717e74eebf625538556402bc8c0fcfe65810391249fe8d142789
13. 0xdefbb071813464f758522cb6d9225f4ae4c98d0400c0a130767f8967242ed604
14. 0x924ef10862eab699db4ffdfa0404c082419cb11afddb61472cc8712ed66134be
15. 0x1ab38dbbab3f77cce8d03cd3f8736ca62b04c689538a6118189885b5d1be29e3
16. 0xcde4d0d0f64b40921f36a3f07dfe9c7256f1d0a8925aed414788c614314b871e
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94