Evidence row 288961

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": "2026-10-26T20:08:10.311759Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T20:08:10.311759Z",
        "updatedAt": "2026-10-26T20:08:10.311759Z"
      }
    },
    "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": "0.2.6"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.tokenzero.sh/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/tokenzero-ai/tokenzero"
      },
      "title": "TokenZero",
      "version": "0.2.6",
      "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":"102354e2a1c3271c6025acd3ddc716d6481fef360456f876271e85d2dbb5c9ea","id":288961,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793046219082545,"prev":277934,"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 2026-10-26 (296695 rows).

1. 0x6ac43d17132abab01e7ccb922992ed9ee1ba749b23fbd230ed39a138a96d7648
2. 0x8662facde517ee7a1f213fe9d045c23b265e108fd69c9852a4f5b4cbca09b2af
3. 0xb9275b946d52599a86f800089f3b9b7804c023fc68ac552194f340b3b556a607
4. 0xa0027c078f1069bcc30f26da3f767a2eacda64e00d749a44ccd4e023dc5b13bb
5. 0x4fbffbc7a28836e94d54dfb3474a993b9a69efa87be7bde7a018fc386798c246
6. 0x670f3450f71f89b5e1cff85309f2cd2d884d535f70c50b1c89960e3a19e9de1a
7. 0x2171180d096ac2c7a697d8a9f1da66680498dc8c73d8f09f004af761eda96c81
8. 0x6650882cf02ae10978cfae702e87a7a2beb270205596c0c276548350adcefbf4
9. 0xc683c19105f4cd9fe98d7ee6c7686e30fad932ca0f684c513388993692f12470
10. 0x38d2c463ef7581c583f8ede8c591808370e469ec2c5f3189710e20b16d13dd8f
11. 0x435232f3fd6b83e88220d17343494fe854d4ecf8a9148117c288f679edde404b
12. 0x2a304c51963b65e3ca818b638b2e9a98297b7d6b6a3e14ecca2501aa13b9f556
13. 0x9dc4d6f64bc3c323d2c45a28209068cd473b6979bd632a0d694bf94d19bc39df
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae