Evidence row 48205

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.quadratichq.com/mcp"
    ],
    [
      "web",
      "https://www.quadratichq.com/"
    ]
  ],
  "name": "Quadratic",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-06-18T21:23:48.031712Z",
        "status": "active",
        "statusChangedAt": "2026-06-18T21:23:48.031712Z",
        "updatedAt": "2026-06-18T21:23:48.031712Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases.",
      "name": "io.github.quadratichq/quadratic-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.quadratichq.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/quadratichq/quadratic-mcp-plugin"
      },
      "title": "Quadratic",
      "version": "0.1.0",
      "websiteUrl": "https://www.quadratichq.com"
    }
  },
  "source": "mcp_registry",
  "summary": "AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases."
}

What the leaf hashes

{"body":"6ccf457a685ba3ecf80440f57fdc6d34c029cc5f6d29537c4d44d864582aa2e7","id":48205,"kind":"listing","method":"baseline/1","observed_us":1793025411478109,"prev":null,"subject":"mcp_registry:io.github.quadratichq/quadratic-mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xe695b09fc1e939d822fcf4aae009307e8c2a5b1262babdfe661ed10471ba2ed3
2. 0xc18a8b3219b6af4530453ec1e276f1f9a0d3a5e3e32ea0f4776d7577e9229173
3. 0xdd746c6e33f1a7440dd3a0db511e66366dee7bb60b6e5825b9a16a0f57d6873a
4. 0x9bbba1c437760d74ba3390eead2f2bff523d4e3b5d9fd26d2ce876c0227a3db5
5. 0x8699ec47c7c6bfc4459c3e6d4b7bb3f928064153a29d5c24ee8216bcc8723731
6. 0xa21503c92af689b6e3c2bd1306525649545566944128432dc9a167ab930cd644
7. 0x2df3280816673c35baf71565911f5e547d4f94e101ae93fb45c39a67ebe9c38f
8. 0x83a130268d0710cf9e0d0738961cfc7172401a67d090afacecd18970d03b244c
9. 0x0acadf2a5ea10302cda86f39380eb997d6d096d07ca5029f10cf76e8265aa051
10. 0x17252ea35c135aec37ce7f1ed706d7c9275dd2e41b9d9e8c21d84f8d686b33ff
11. 0xe9a46d294851ae0e362ab741d0ad8768d3bfeeb15a9d9fcc78aae5128fc33835
12. 0xb866b513dd861c870688f5d1a8e434b170eaa2fafb0961d6a674d452b8e58381
13. 0xafcc1fe54cfe00a3a1de33df127340075f22433bb89848bbc81499cd7aca5b2b
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae