Evidence row 581772

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": "2026-10-27T23:00:42.092272Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T23:00:42.092272Z",
        "updatedAt": "2026-10-27T23:00:42.092272Z"
      }
    },
    "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": "0.2.8"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.tokenzero.sh/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/tokenzero-ai/tokenzero"
      },
      "title": "TokenZero",
      "version": "0.2.8",
      "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":"35e20ecdaab1de1e05cdf1eb9c106ead15f12efe304aee8663c1b73b2c4362ff","id":581772,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793144468146774,"prev":387626,"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. 0xe2196e06de7215b47aad2439fdf14b51812fffcd49d8307adb539f5765139f05
2. 0x6af2ab2f00e2cccb341089d2537434b5ea50cd67f648a21a59edcff50160d0ea
3. 0xc6af95619acf96b26d6c59cbf39397e3df6f93b94e665c4c2286920ca49561a7
4. 0x69eacc20036645d26927eba11e703fde25d9aaffa947d16adc5d2b28495fdfd6
5. 0x5caeea2b57bebf83924c03d1d2a6c04e531dc99f5c19960302eb8fd53c5bc892
6. 0xdd4733a5ec882ea404e80354ddc8a456ebb2012e38c0fffd6e43bfc3c1c9075a
7. 0xdd6153e308ae71381e9094a059437d8bcba7b1ad2b641dd06023f87369262a81
8. 0x386cf7be82f8cdbfdcf84998d81c3b9ba0bc3f348d492881b15b83dfb85891cb
9. 0x9e0e2eef9069284181d9742050f1cd93a0b94807b3aef3f3977986969f7cb7c4
10. 0x9f13d093f46ebcfa68f1c0fba8bd7e50babde259291e3165e02e92d9d5d97ee9
11. 0x685edc20eef134e9053b5f48e92fbcfdce3625c2c28f68c4ec9232819c669574
12. 0xa7bf7b9cc7b39dca708cf0cc5d77059435823b975a1b485d07bbb69188527cb0
13. 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
14. 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4