Evidence row 443256

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://pirsch.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/pirsch/"
    ]
  ],
  "name": "Pirsch Analytics MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:34:59.284013Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:59.284013Z",
        "updatedAt": "2026-10-27T08:34:59.284013Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Pirsch web analytics: visitors, pages, referrers, UTM, events, funnels and sessions.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/pirsch",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://pirsch.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/pirsch",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Pirsch Analytics MCP by usefulapi",
      "version": "1.12.0",
      "websiteUrl": "https://usefulapi.io/pirsch/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Pirsch web analytics: visitors, pages, referrers, UTM, events, funnels and sessions."
}

What the leaf hashes

{"body":"c5d035badc210a186149269c45e65f4161b532a021f6e1b9339e7efa0d31f517","id":443256,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093258965298,"prev":56762,"subject":"mcp_registry:io.usefulapi/pirsch","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xf9c53c1c2c64acb52cf0293e6d02fc80155ddec826b317904d162b1674c68dcc
2. 0xa96ec11709a24873d6f94826486062659e34fcc5016ab8a08c38db469e6298c3
3. 0x56c7e5c9c8159b0835b478454f37232b7875eb5c58e63c8d3c97c1f7d4259874
4. 0x4edf293575377e0a55ece628f38672d763407e1c6e3ef3168d082fc8de239731
5. 0x5204f7f67bb48716e6fe7e771b02fc194ab1608116b95788898c73531d93a17c
6. 0x56087cd34ffc9114517c6dba5c306e2104c5d8e6a161e5124bf0c83f1649734a
7. 0x3182d0b35a9de44034b12c7e4d316cb26734e23c013362c5cd56f3db69e7847e
8. 0xc631efdafd70bb218fc378125fe74fea1cbdcaba9028f52709f18bf97df9c894
9. 0x22296b59060147fa326ef487e78840aa7a3beca9a9fa418f2f5e7009c14947c5
10. 0x3f753238d34d960f4019aebe8c972d7e10ee2d26eea6fcefef5aba9b96cf5fed
11. 0x38d8d177d48b033acf33474f44cf1a36a3cfaa58563d48c7d92671c34bb12589
12. 0x58215df828d47943a710362ab6e17ad0eb4a7c42a13dbec3ab2635d1abf3945f
13. 0xf24b37f8ac293f5328e3e6b28cf868989fe99debf025c153c0d9a1698e846e25
14. 0x94d3785ce9330e4580bccada5459380aa2aac76a0bf11354d1353b375afc17d2
15. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4