Evidence row 1828592

What was observed

{
  "endpoints": [
    [
      "web",
      "https://payperwork.app/"
    ],
    [
      "mcp",
      "https://payperwork.app/ai/mcp"
    ]
  ],
  "name": "PayperAnswer",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:23:17.741333Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:23:17.741333Z",
        "updatedAt": "2026-11-01T20:23:17.741333Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Pay-per-call chat on GPT-6.1, Claude, Gemini and Grok over x402. No API key; a failed call is free.",
      "name": "app.payperwork/ai",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://payperwork.app/ai/mcp"
        }
      ],
      "title": "PayperAnswer",
      "version": "0.4.1",
      "websiteUrl": "https://payperwork.app"
    }
  },
  "source": "mcp_registry",
  "summary": "Pay-per-call chat on GPT-6.1, Claude, Gemini and Grok over x402. No API key; a failed call is free."
}

What the leaf hashes

{"body":"2b5a85284dceb62c7954c053deff3e5269364be5fb33aebf4d3a95dbe974c88b","id":1828592,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567867196419,"prev":1740039,"subject":"mcp_registry:app.payperwork/ai","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. 0xc7616768c7f65b41f836390cf24c873eeb599ce4b058a04b35243097ab11e36b
2. 0x0824c8d3a1ef6eaa8fa7aa6f40eb6d5c75bd8fa543e2e9cbb0f9e67df5f8c722
3. 0x3c3e9508fb7750e24d1a130af6368a998737da78778911ed853950ca12926322
4. 0xe89155332791d7886b076c6f6e4d68c10085ee0180a39a4aa6e43c206350a3c9
5. 0x0ca6481d14f5be5a8c65810908ec9446a902cb583feedfe445a9bc21356b948f
6. 0x854d1b556e15ea2298db70b482682e4111dc2f23135e8004eeb981d2187bc100
7. 0xe56be8e2cf5d0e084161eaa2585c78001efb46e034418b913bd40467f0d231d9
8. 0xf406a9314673acec6e0120eea5f2665758bbbd8c57c5a669dd94dd050586afb5
9. 0xa4ec9887198be6708ac25be015cff48493057208b3a80ccac4db5f88bdae6cdf
10. 0x9167a0f21d2816b2985abccc4200aab424cba360812b1a7cc342deba9abeed98
11. 0xe8a856eebf53bf70197cfc160e186ce58f4c845ebc7277885c2f524a6854b1e0
12. 0x708edbbc5c93eaadcb16f46d00180d1abd9f006f6897baa185b89bb0db26849f
13. 0xe14f0d8e2b9967bfb142a635a58f2d35462fc1282dcc137d3d835cfd908c00b2
14. 0x5da52d6bfc8f88d79ebced4b6bebec468f5c2d8a21c193d44e901c7a6ce7941e
15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90