Evidence row 1835941

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": "2026-11-01T21:42:47.528875Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T21:42:47.528875Z",
        "updatedAt": "2026-11-01T21:42:47.528875Z"
      }
    },
    "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": "2026.11.1.1"
        }
      ],
      "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": "2026.11.1.1",
      "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":"686b186310a8dca5b1a63b4ea063b246f92929aadfa2b48da82e2139ce035624","id":1835941,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793571470441569,"prev":1733149,"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. 0x99d058c7af3cf0dc957cd47dec83f336d42339b99de1e4110a9183d724cfdc50
2. 0xe76066b29f1dc0c2e97fc460fdfd14f8f950c4e91bce61619ad237de6944cea6
3. 0x64167fdc2c87461ee241ab2a4227aa26580d7ede7308ed51d9ee558e28963494
4. 0x743a84704be56a17a6f175da830d970d8a0811abdf99008caf1fe843a6f63651
5. 0xa13410771bd59ae694bb2e593bf71045c9e2cb5177c439c16369156567b558af
6. 0x010b8ffbc8f58f22062cd0f7ecd7a1b2aa00d6cf87dfa967f2180493a7f3b9ac
7. 0x7faa91db46435d20858a00bc22709ea15bb1933c53d1baa226bddb3538f6f1f3
8. 0x36d8e8933cb69fb543b343b42e7d2d418fed546a439dc568caaf2fa5fbb8d142
9. 0x020c35e5bac3e79b52e25777561059dc9bb3ba58e80ec6d0209c26f99df7ba9d
10. 0x0bbdd7ff33646f4838e7c250272cb92828a932ffa4da3b60fa5d6ad5ed2ede2b
11. 0x6f327f582144f1c59ad866bbc36812995a7cff7d3570a4641f1bfd7d6b274a37
12. 0x00501794f8f8ab636f8f5823349b041054f10e1daf5ff33f9c58fb4581120bcf
13. 0xb57858c9b723be1615b551d396a235a4b04c35c7b3d756ec3335a4f69375f8f3
14. 0x82d96787431d530f2599d2a77b24c7b5e6f2bf6720f7cd054b4dc0d4ba248628
15. 0x4a900ec4cce00639b2e45adc5a7ba556793a171aadb927fa15d539147429570d
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90