Evidence row 1828833

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://singleops.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/singleops/"
    ]
  ],
  "name": "SingleOps MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:36:10.446223Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:10.446223Z",
        "updatedAt": "2026-11-01T20:36:10.446223Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search clients, list operations and custom inputs; create leads in SingleOps.",
      "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/singleops",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://singleops.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/singleops",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SingleOps MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/singleops/"
    }
  },
  "source": "mcp_registry",
  "summary": "Search clients, list operations and custom inputs; create leads in SingleOps."
}

What the leaf hashes

{"body":"7ebb6f9ef586cdec559fbab53a31fd8bafa50100a7b549580dbcf809372f2e82","id":1828833,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869272138,"prev":null,"subject":"mcp_registry:io.usefulapi/singleops","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x9418ba79831d9efff34ad39fb794e92901bfe14c1cc87d5d97fa36d7677fab02
2. 0xf8384d39655f3256293d849f387a8c095965fff72c6e7842809b4aaf8bc982e1
3. 0x3330040c673e0027a66a99f0c08647e4a08d6f2f90adf565e8786c8681f23ccf
4. 0x1001d81f6f65e0dcefcef8766eebe56e5b593ddc7446f1e21c1994a81c1877f4
5. 0x4ba9b36b8a6b586fc8696bcb13c2335c4c52ed73d305f9e01157964f6a1948cc
6. 0x3e2ad0ee2bf61eb771b03f9e8c539543ec00347281d9f87cf147170bd20c52a5
7. 0x92a2e4cf0fc582f60ccfa8d81e61f1a2b0ab1a10b204e1868cea8f0986a8547c
8. 0xc2110535bd6af06211f9e33eddd332836f3b30cd6d5cdc8b2cccf37b0af2b342
9. 0x17022c80bb63c040e3509a8163bf60ecfb88eae28640118be43050c6f33c0836
10. 0x4d512a19f563608a636dcf1487a688c37a781f91c9b0fe6c66ad8c0c9af77e3d
11. 0x95dadcf28dd6c836eaa0bfa310ce063b8172b6be8890ec46a40a2e4782344a3c
12. 0xdb148eb60781e84f89f87ace74a3e8f47c948c4e56e13425389af0e69273c56e
13. 0x73357a003686b5a36e79c0627c363287b3b4b7b05650c5c5ef61e2fe0f8fb20e
14. 0x4a947b63bd24ff0fe59b3ababead63ec46e4f0a77216d7b01b8bdbc5c7c01e63
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90