Evidence row 25410

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": "2026-10-19T04:56:05.587846Z",
        "status": "active",
        "statusChangedAt": "2026-10-19T04:56:05.587846Z",
        "updatedAt": "2026-10-19T04:56:05.587846Z"
      }
    },
    "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": "2026.10.19.5"
        }
      ],
      "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": "2026.10.19.5",
      "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":"debf80b842cc0fdb2d00f95116f350afaeaa298830a81d2e1acbf6eecec61796","id":25410,"kind":"listing","method":"baseline/1","observed_us":1793025354557145,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x1dc4d6fced801dfb6b3012f5faf62e25487bd2f5f1467742d4821faae450298c
2. 0x17f94baa14327d0a626afafcb1af3c3f498c34c3d3d3a8960477630f1eb1e8fb
3. 0x18d91356a9863976bef6b78a08fa94c42ace8553db76753c4cefcb489f0ae8db
4. 0x63b33b3a2d5ab510712b71bb0d66543f48de691b299d34a1d859cfec0d12df78
5. 0x24d467943346a010d8dee965159a0d91a4a8f0fb1c810c366d7eb4450c81f7a2
6. 0xb13a716d8b6d24190f2afce98671f392a7bd03c1acc3f526b3139079c542877c
7. 0x135753448319d02de2946375287a30e1e6f970ef970275b0ddd6580c15eba24a
8. 0x73c3bc96d9f79ce7e5bc851e37ddb01d839f0c7be3e8eb58b942decbc4319055
9. 0xe85b2c05abdf635cb7cb0997b20ea577db07b2f799012dcfafbf93151dfe1bb0
10. 0x667c9edc7131bd388a1c1a039f7fddf0a4fbc13b4f1e7297601127a46cdc7292
11. 0xf0f77ed1d484625ddaf2f6e58baa64c9dec47a22b1a6beb91219a17bddac7dfa
12. 0x8e3531af6dd328ff9a174dd19751228f67fa0773c68a89edf859dffbd7b098c3
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae