Evidence row 387626

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.tokenzero.sh/mcp"
    ],
    [
      "web",
      "https://tokenzero.sh/"
    ]
  ],
  "name": "TokenZero",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T00:34:39.992646Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T00:34:39.992646Z",
        "updatedAt": "2026-10-27T00:34:39.992646Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "LLM cost optimization gateway, repo token-waste auditor & model arbitrage MCP server.",
      "name": "sh.tokenzero/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Gateway base URL (default https://tokenzero.sh)",
              "name": "TOKENZERO_URL"
            },
            {
              "description": "Workspace key (tz_live_…) for workspace_metrics; optional",
              "isSecret": true,
              "name": "TOKENZERO_KEY"
            }
          ],
          "identifier": "@tokenzero/mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.7"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.tokenzero.sh/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/tokenzero-ai/tokenzero"
      },
      "title": "TokenZero",
      "version": "0.2.7",
      "websiteUrl": "https://tokenzero.sh"
    }
  },
  "source": "mcp_registry",
  "summary": "LLM cost optimization gateway, repo token-waste auditor & model arbitrage MCP server."
}

What the leaf hashes

{"body":"2ac1e1271707ce7cf514b3f31e5bfb46758f1e2dc3db23dce341425e6a0d7ac9","id":387626,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793062965396843,"prev":288961,"subject":"mcp_registry:sh.tokenzero/mcp","subject_kind":"source_record"}

Proof

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

1. 0x2c04abe3873a489980e870cbeb7924e156037eb68e81ea7ee1e0a2b7457e6065
2. 0x77616723e8696dde5eda2faf7d8707d4bfac5889f3ecfaa6b5860c3cdb7047d4
3. 0x5625ed0e81d8480ead1e6447b3fd68120f5c2e4d56b33aa89587c85f314d2913
4. 0x8fca46ff4ae8e48a9a5b3e3fb243d033850cbd418507b876edb79b76c57a2c64
5. 0x9e1eac90c706b0e49ec74e56c139a6d0fc8512e3731dfc33c12e6d31d017e21e
6. 0x30d089b83139f089070242924041e86713cf2782e63a5e45d5f43222662c4ee4
7. 0x4ff9b0e1456eb45d26c87fe9b593414997010c87076572e275fbdd126998ccb9
8. 0xe6a855e92f6eb67e90dc4fe236b46bfdafab6b63b0347ce7590b745cdae1918a
9. 0x47729e83d6164b29716a5b57f92859171e89e6052a09bd4451b0339a31c732dc
10. 0x7d3ee25aa05ed41a991dc4bfbe1ed3fb2b8b2815ba085952f5d963959a9b69c9
11. 0x763c44f231f5e75793734fa25fb1791b7269f0745f8d34ba7ac82bc2806e3367
12. 0x7ba1b835277802a22a6f62a758420094404a75d3c14f34dd88b403fbf174b26b
13. 0xf9e544d10b80657275e1e196da89ba5336a7cc49eaa0d6d801fb5d632cf5deec
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4