Evidence row 288833

What was observed

{
  "endpoints": [
    [
      "web",
      "https://heystacks.com/for-agents"
    ],
    [
      "mcp",
      "https://heystacks.com/mcp"
    ]
  ],
  "name": "Heystack",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T19:35:40.774903Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T20:14:50.73568Z",
        "updatedAt": "2026-10-26T20:14:50.73568Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "contactUrl": "https://x.com/matthews8000"
        }
      },
      "description": "Search, read, and publish public Markdown documents and spreadsheets.",
      "name": "com.heystacks/heystacks",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://heystacks.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/Matthews3301/heystack"
      },
      "title": "Heystack",
      "version": "1.0.0",
      "websiteUrl": "https://heystacks.com/for-agents"
    }
  },
  "source": "mcp_registry",
  "summary": "Search, read, and publish public Markdown documents and spreadsheets."
}

What the leaf hashes

{"body":"899630c08ba0d12b6063797c83a35f3b6f857ce6a0c0a1802804d5f448e5864c","id":288833,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793046218200326,"prev":null,"subject":"mcp_registry:com.heystacks/heystacks","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. 0xdfbb82963db79685381166fd4083cb1ebb20af314cac37f1747d304aeb95aef3
2. 0x20caf4906f4c703fced07138d20f58d05513da1ada367ab9f4bb51bd3bbbc04e
3. 0xc573467f533ca213f4ab771791e9db5e159a07fcf35fb802ebd9d4d4f08dd7a1
4. 0xd14982788966655478f5d27124e1ee87862112e5c4356dcbe36ae478a0cd5e4b
5. 0xafb2f995f4d98ba2a178c8e8b6c94bfe3dbcd321f5b7912edb494682fce6085a
6. 0x24107b8e863ce19a53138f651cd8dfce0c792892e133df81132ef6f3da4888a9
7. 0xc96c04fa9592358ef05ac3643721957179f9178e084c9873b9556f192d3f6f44
8. 0xe1fe86ae0e25efefa9b150eb9f43e973a1cf67716d1735c8e13db75ec2af0a15
9. 0xf7e52d0041e39015858cbea236035bd92d105a3ad5137de0ecb2ebbc6824e3b9
10. 0x5fcf567390d60c3be94cd0675a7a9d8d57ca82ceeb7b8db2c45bb7a13bb42b90
11. 0x07a6fcdebada154e3a5a086ae2c78ad003011940759e5f38c005cc9b2ec3ef9d
12. 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae