Evidence row 1733149

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://happyhorse.mcp.acedata.cloud/mcp"
    ],
    [
      "web",
      "https://platform.acedata.cloud/documents/happyhorse?utm_source=mcp_registry&utm_medium=referral&utm_campaign=evergreen&utm_content=happyhorse_mcp_listing_guide"
    ]
  ],
  "name": "HappyHorse by Ace Data Cloud",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T02:31:17.213881Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T02:31:17.213881Z",
        "updatedAt": "2026-11-01T02:31:17.213881Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Generate and edit HappyHorse videos with Ace Data Cloud; retrieve the original task for results.",
      "icons": [
        {
          "mimeType": "image/png",
          "src": "https://cdn.acedata.cloud/2841e8c719.png"
        }
      ],
      "name": "io.github.AceDataCloud/mcp-happyhorse",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "API token from Ace Data Cloud (https://platform.acedata.cloud)",
              "isRequired": true,
              "isSecret": true,
              "name": "ACEDATACLOUD_API_TOKEN"
            }
          ],
          "identifier": "mcp-happyhorse",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "2026.11.1.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://happyhorse.mcp.acedata.cloud/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/AceDataCloud/HappyHorseMCP"
      },
      "title": "HappyHorse by Ace Data Cloud",
      "version": "2026.11.1.0",
      "websiteUrl": "https://platform.acedata.cloud/documents/happyhorse?utm_source=mcp_registry&utm_medium=referral&utm_campaign=evergreen&utm_content=happyhorse_mcp_listing_guide"
    }
  },
  "source": "mcp_registry",
  "summary": "Generate and edit HappyHorse videos with Ace Data Cloud; retrieve the original task for results."
}

What the leaf hashes

{"body":"2d62cd9054b2f02088dfed1a07eba3de5bc50a6232142e2abebbe65fb97a9851","id":1733149,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793503030487326,"prev":25410,"subject":"mcp_registry:io.github.AceDataCloud/mcp-happyhorse","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. 0xa4cf7b31e3d19f541257d5f5cb5df21cadc1635ebac49be07b8cdf3985a58094
2. 0x6af4a33f7654b5491cf6dc5b87209a66a9e26d3b1c7d803a953a61f09c586307
3. 0x8bfcd501a24e4915c4aa5371babf13e7c31d40a4734cc4f09e120cb2fed7074a
4. 0x4ebb253276b15d7cd1cc5caf432c4a627e1759d55a36f2644388933a756867e6
5. 0x14cf0aac08a086a5f5a5000e0f415dcb7cf75d36a5c358c1cfe1f241ce39c135
6. 0x60b7217bbf8c4a75e673ec13fc5859b1714cbba5a907f30e2e198d980c7645b5
7. 0xf503b39d413420e8d4bc90c6fb1a800005102f52d3c39948468e4827a3bc9dcf
8. 0x57393917c7b8ad18efb073b0e11125a2188e09db6933386d1e60d87b754fbe52
9. 0xe97cc28f996213bba9822e2969026993e964e8ffe87d8bc7f5377fd9d3071bbd
10. 0x07cd53c7f5dcd68c413a80e8ad6b40540b2ad8ac2580b54ef79f68da498671bd
11. 0xda785e886223a70b1af2609a7e7c6fa1f345179c741bf01bf73afede73f3d463
12. 0xf596ab6f1a05260d5ad0a45b33c8a335c613e9880eb25b148dfb8631182f1b95
13. 0x83027c0ec1e982e02eb36b0853f91c562f016c08ec6b3d360763c1a90f4a9cea
14. 0x699b83b189435f7ea2dc2d6d4f13262932214c0f9293f3ad20a20f7633995f1b
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90