Evidence row 48369

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.buildonto.dev/mcp"
    ],
    [
      "web",
      "https://buildonto.dev/"
    ]
  ],
  "name": "Onto",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-04T21:16:30.929807Z",
        "status": "active",
        "statusChangedAt": "2026-09-04T21:16:30.929807Z",
        "updatedAt": "2026-09-04T21:16:30.929807Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Clean Markdown and AI-readability scoring for any URL. Built for AI agents.",
      "name": "io.github.ravixalgorithm/onto",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your Onto API key (get one at https://app.buildonto.dev/read/keys — free tier includes 1,000 credits/month).",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "ONTO_API_KEY"
            },
            {
              "description": "Optional override for the Onto API base URL. Defaults to https://api.buildonto.dev.",
              "format": "string",
              "name": "ONTO_API_BASE"
            }
          ],
          "identifier": "@ontosdk/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.5.2"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.buildonto.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/ravixalgorithm/onto-mcp"
      },
      "title": "Onto",
      "version": "1.5.2",
      "websiteUrl": "https://buildonto.dev"
    }
  },
  "source": "mcp_registry",
  "summary": "Clean Markdown and AI-readability scoring for any URL. Built for AI agents."
}

What the leaf hashes

{"body":"d7c3d158de4f75fc90c0c14cc560a60c614ce8ba17decea605a49566335f140a","id":48369,"kind":"listing","method":"baseline/1","observed_us":1793025411670243,"prev":null,"subject":"mcp_registry:io.github.ravixalgorithm/onto","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. 0xd999fdb652280a69a81c8462bf2c5c74567b596314c28e3dab79a96ee99ee5e3
2. 0x60a739b1259bc45143586b93f2695dd1d7b03817ffbc49b5bbc2608186584d53
3. 0x53c840a70d1a4598581b7a4a905fd352277fa75070a937972475a91de55cd1e2
4. 0xf9a05c8845d9cfd15985c8983ef72e34d65ece2c962ba139e2465e2726f266c0
5. 0x5200fcbf69434c13d09c8a016553ee8d09fb85616a4590ca66873d64c1815a73
6. 0x4f31554e4820b387789242416fced05b8ccb0ac5dc03a54dd8065b6c9afd2a4e
7. 0x9ae602a52220d554fa1f02e2035c50bfbfe826e5f21b5468b8577eb60a302ee9
8. 0x681ec19f030800a929fd033e65e3f128d9c73238d9fd41cc3a03946fcfba5931
9. 0x1b23ae9cb60fc98b940d53fe845cfa898a20f2099e94c5247f0e02b3e1cac18f
10. 0x60b48a1bcbe1b49c2b79abc9db170c07e64ed7296971e4a62ed6c2c279c87576
11. 0xc65997d4cbe46cfb99054bd5df6a660823432d48a8d7d21b0c1bed1df236af25
12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae