Evidence row 795879

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://rapidmail.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/rapidmail/"
    ]
  ],
  "name": "rapidmail MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T18:46:13.167779Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T18:46:13.167779Z",
        "updatedAt": "2026-10-28T18:46:13.167779Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read rapidmail lists, recipients, mailings and stats; add, update or unsubscribe one recipient.",
      "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/rapidmail",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://rapidmail.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/rapidmail",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "rapidmail MCP by usefulapi",
      "version": "1.13.0",
      "websiteUrl": "https://usefulapi.io/rapidmail/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read rapidmail lists, recipients, mailings and stats; add, update or unsubscribe one recipient."
}

What the leaf hashes

{"body":"b507f866281db66b461602ddbe0e0d134c02b5407247ad4702b976f58c7c2cbe","id":795879,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793214747960009,"prev":443270,"subject":"mcp_registry:io.usefulapi/rapidmail","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xd4e0c1ac70572bd8e19dd89a08f53c84a5f1c9d91a568fd9d4bcd53383d4ed3e
2. 0x34f45d3a01e97f8c0f9beeb0468fa4156017d086e0ff2e6a3a6e9e05592037c8
3. 0x9e4d30b83d2e524c1e1f9b6b2cdff1d626457306462446060712a48113de761b
4. 0xdbdc60ddcfea56e28c75dc5fb9f824f1ca50dd0c8eefa8a5b07ee79fd39c8401
5. 0x6ccc93369d600cfeda56bc9156dd6fe8a650878b0583572f71d30e908a76a850
6. 0xfadef8879489b0379d491c2c0a61145bdbccfcd4c4d9cd055f75cb1f06fef931
7. 0x2bfcd64827f16463ec176cc738ee629ffbcbbc7991a661c965229f5b6094062c
8. 0x4e06e3c4ba3e00a86bceb9e866e5ec0857e2e4877c8ebc7b6d39e97e81fef41b
9. 0xc21cddf01960b1a5b106ac8692f9901a51e6a92c3782b9050a4017e3243a5567
10. 0xb0641f29854bffd540507b8dc4100188e47958bd252bcedeae0d7f200a8cbc0a
11. 0xaccc7d21bfdc2c5f27c688ca0fd3bb89a5ff6ac726dda8b89555bfd382e5e31a
12. 0x4e65090854d09774c6e68e986d97629dbe6b8a5818463a0edbf12b4e1940476f
13. 0x238781565933a6272b970b298fead630d1a9f307a7409c815f764c79bd0179de
14. 0xf6b8c3d6b5a76cd63c41fa19fc59bcc627a6c650fd84130c55cbc9251f9ffdd9
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae