Evidence row 443302

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://sendlane.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/sendlane/"
    ]
  ],
  "name": "Sendlane MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:34:59.705269Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:59.705269Z",
        "updatedAt": "2026-10-27T08:34:59.705269Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports.",
      "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/sendlane",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://sendlane.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/sendlane",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Sendlane MCP by usefulapi",
      "version": "1.12.0",
      "websiteUrl": "https://usefulapi.io/sendlane/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports."
}

What the leaf hashes

{"body":"b7ae4a5dc0fb866743bc7480774b0d3bd29188edd6b76031f92b776fe502fcb6","id":443302,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093259234728,"prev":56808,"subject":"mcp_registry:io.usefulapi/sendlane","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x559c99d976aca2c3b2deb369064e6aed1ef884bf0bae7129edbe842abd108674
2. 0xb545078d0bebdb0cb3440dcc05829b6c35ba038fa8538d521f8f7054360a50b8
3. 0xccef26e4b45cac9347ac3bbd5f0277de98b5c32c8bc235674b011ba6f1ab16af
4. 0x84c46cd6afd69b5dfb910eaac48a8ffe351a3aee8ea25d38b72be86a79e60a66
5. 0x2680dc2890aff4697346ffdf15702ab8f0b62abc7ea44d29c496aa2c12f05146
6. 0xdfd9c0d2c938bb582b9be30d851f6d0177a868d45635cd75a06e714560728ddf
7. 0x0161b15add332f8df8ba34845ab967ccdca9687c52f588214b2173840c17f59f
8. 0x9b1b6fddcf5c71bd6cd4a54ed36b17707e5f2a8ee9033c34ebaab05c5632d8e6
9. 0xaa68e7c873bbdb6ac2122b90f2a7aefa6cf9af1c6d516d7ec1d43ce76948a898
10. 0xa57d5b14f0be3499a3b27ba7354d042356131e42c03968a012b8e7c00a00674f
11. 0xb779e51de1c3f1430eb1b8e7080208656e6654f51fea635c54304a95d9d07713
12. 0xbda8a72c454627630518fefedac1e595455f868382eb4add82d53de75ccbae18
13. 0x906b5f0e8ef1fe7894886d84f460bb3239d5f14b14ad4adff27c7dcea6265169
14. 0x674bc1173d39130be4d15bbfc7327f8a8af87eb251e54c8d4409c7e840b9e538
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4