Evidence row 59214

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.pzero.studio/mcp"
    ],
    [
      "web",
      "https://docs.pzero.studio/agents/mcp"
    ]
  ],
  "name": "PZERO",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-27T16:38:48.356806Z",
        "status": "active",
        "statusChangedAt": "2026-08-27T16:38:48.356806Z",
        "updatedAt": "2026-08-27T16:38:48.356806Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Prepaid inference for agents over hosted MCP. Chat, image, and video.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://pzero.studio/pzero-icon-800x800.svg"
        }
      ],
      "name": "studio.pzero/mcp",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer pzero_… API key (prepaid USDC balance)",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.pzero.studio/mcp"
        }
      ],
      "title": "PZERO",
      "version": "1.0.0",
      "websiteUrl": "https://docs.pzero.studio/agents/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Prepaid inference for agents over hosted MCP. Chat, image, and video."
}

What the leaf hashes

{"body":"9f77052abf65a33dbdac2a9c0d9d1c10a619c66c151260eb8ec0d16097e9580f","id":59214,"kind":"listing","method":"baseline/1","observed_us":1793025445873007,"prev":null,"subject":"mcp_registry:studio.pzero/mcp","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. 0xfc8f64564ad7198d251e7557e83f896b10ccec6f8016728f1038cde5bac6ec68
2. 0xa2164a0c48a44b40897bc52566dde3c0abf37cd08ae1eeed39a1abbda2bac72c
3. 0x5c9550c4f6461079ebfa760f2f779db3e72897feafb5aefbef49b38a29c244fd
4. 0xb4065b8cd0fe35990e071085d3487423b71b2b636f6c1b2bc34bad73459938b6
5. 0x4cff796952def0c03944b69fc075edea8bb38bbeab455ba31e45fce9cf50e050
6. 0x81f4562a0d3b2a29bfb843960a88febe2d3ed3ef977b8a1cd3cf94fe7bacc9d5
7. 0xcd3d9432e205e1b92bc234928ebaafc32bf201421788a5b66ae6ab13fa7392f2
8. 0xe397e78dd5cbd0c77cecdaaa7f143b4ca81a041c1f5f68d886ba299781056dc3
9. 0x136ba120fe1689e63adfe97318f101db112c5f8bc417737f0dd8694087327526
10. 0x3a8d3d4169cff276684d88a4f127811b670ead57557bd0903bd3af277772b2c1
11. 0x51bc8fcd224b36d2c60fa49f46f383ee8328191b9e73209ce8018f2612c3d42f
12. 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae