Evidence row 1828824

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://quickbase.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/quickbase/"
    ]
  ],
  "name": "Quickbase MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:25:55.992343Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:25:55.992343Z",
        "updatedAt": "2026-11-01T20:25:55.992343Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Query records, run reports and formulas, and insert or update records in Quickbase.",
      "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/quickbase",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://quickbase.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/quickbase",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Quickbase MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/quickbase/"
    }
  },
  "source": "mcp_registry",
  "summary": "Query records, run reports and formulas, and insert or update records in Quickbase."
}

What the leaf hashes

{"body":"8819d533f8338925b11a6607dbef6d1c2d0f0d8ab8b47fa520b90d09ee0c4dc0","id":1828824,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869249994,"prev":null,"subject":"mcp_registry:io.usefulapi/quickbase","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. 0xb93ee7e641e9d93ebc660cb1864bd430dd050ca3fc06b2a8811b94722ecf0f00
2. 0xfb8db8c3b2867c761eef3f522988ad43c7c01dee969e67fbb7dc6a9a4089aa9f
3. 0xd621397d238be3ec2c76ba4fb5f376682d784cceee83e65972556ce91537a6c8
4. 0xf4bfa78c1dbf7a6f11fda59e7cf419fdd309984b8ea62a655327e5689a802665
5. 0xea7861c555b94ae7dd85d594dcc091b09050bd276d811c024ad7f000f87704cd
6. 0xa4a6607d192bfb76ac8e848df1fd3daa67861669536c22b7ef2ec097d73d86e2
7. 0x83519278bca48659201899ad477ac32f538e1704cd2582251363305830076731
8. 0x9bfa13de498e609db93a283d372274112f4e7dd228c2ec4b9000de886b2ef6d7
9. 0xd320be93d518439836cf92d9e771176a3983040a04ba982a09af7bde18574e34
10. 0x7f4bb616820e1ea8427036cbeb9ba5ec9b80619b3241f4662863ec0358544970
11. 0x27e552832ed71b99343a7a42da26a4e8c0efd855c0c26a86dff1e3721341d54c
12. 0x7f84a429a6f515b4264e3f89b39e5d9610b2f28288075b591a2f535c9d2fa11e
13. 0x8e759241dd7d3573c90854e58ab2c243f47abbd9411d188fc23d7d0f3d7ad1fc
14. 0xc4208f09c5a97556dbf0e04ca82216f9056e3cf547ebb46cc61036bfd76910cb
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90