addrbookFor publishers
← The evidence ledger

Evidence row 2610304

Observed , by sync.mcp_registry/1.

Kind
listing
About
source_record mcp_registry:world.keykeeper/email
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ac266c9c2678c288aea7997dd6f008730686273c959747eeee51cc428b1be436
Leaf
0xe0518d13054b97a06fcb72c7b1bc039ffaec8e208d073ba9e9f38c6e55d9acd0

What was observed

{
  "endpoints": [
    [
      "web",
      "https://keykeeper.world/docs/mcp"
    ],
    [
      "mcp",
      "https://keykeeper.world/mcp"
    ]
  ],
  "name": "KeyKeeper Email",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T15:49:03.509478Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T15:49:03.509478Z",
        "updatedAt": "2026-11-03T15:49:03.509478Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Real email inboxes for AI agents: register, receive, read and send mail over MCP. Free to receive.",
      "name": "world.keykeeper/email",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer API key returned once by register_agent. register_agent itself needs no key.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://keykeeper.world/mcp"
        }
      ],
      "title": "KeyKeeper Email",
      "version": "2.12.0",
      "websiteUrl": "https://keykeeper.world/docs/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Real email inboxes for AI agents: register, receive, read and send mail over MCP. Free to receive."
}

What the leaf hashes

{"body":"ac266c9c2678c288aea7997dd6f008730686273c959747eeee51cc428b1be436","id":2610304,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793722775619817,"prev":null,"subject":"mcp_registry:world.keykeeper/email","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0xe051adbe9e9977f7ef6d1c8d02ebb5485afab987224b9eeb1baad3aee3043f6e
  2. 0xf392f1f6ad30df98d76dbaacc5c76a8b7a93bae0354fcabf0fb670378ab52f24
  3. 0xce240d9911c566ba51e48a9350869204beb65c29461fd97ed305e72e973c96b8
  4. 0xd4919b7e5b4a8a7ced135e9b296f8e5d3537b341b0723758c0e20c02e5d5ceff
  5. 0xe299dcc1a813d7317f3149ebfd2ef5de566ca60ceb8c6941c6184ce90bf086ef
  6. 0x6c84cf85fc83b5b717e220a66460c4554c1cb130c094923b8d0727303d2ddcdc
  7. 0xc2ce78407019d7c6bd40e480e7024fe331c2178d87c32c983adc7e1ad2a8c8f5
  8. 0x3b90cb7b55a5e8cc89b492eab63929cc638f0f0acbc9a203379b1796f557dac0
  9. 0xe35893295e1a1ba6e424fae791820c70c2a2f4d6c9227d57372ae73230ee70d2
  10. 0x2391e2fc31a9339da175d5c5b77824978ce9cd1c7512d1026d7d39f43d929d2b
  11. 0x8537368bf4d590e2d11e7f7e92c977bc7bf0afab8407e2d7e701d9d2ddc98335
  12. 0x77412a36b507b0500b445f2e83c2f17f84662a924c6a82a903820093de3cc699
  13. 0x4fb617b3e5c633b66745b02140beb64580164cdfa6188d729cad658ae1950304
  14. 0xf325d91f08ffb7f78519bd5f04dd572a693eaed62aa76d674f6e757bd5f0f276
  15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
  16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
  17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON