Evidence row 783734

What was observed

{
  "endpoints": [
    [
      "web",
      "https://docs.browserless.io/mcp/browserless-mcp-server/setup"
    ],
    [
      "mcp",
      "https://mcp.browserless.io/mcp"
    ]
  ],
  "name": "Browserless",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T17:57:06.50925Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T17:57:06.50925Z",
        "updatedAt": "2026-10-28T17:57:06.50925Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Official Browserless MCP server: browser automation, scraping, screenshots and PDFs for AI agents.",
      "name": "io.browserless/mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Your Browserless API token",
              "isRequired": true,
              "isSecret": true,
              "name": "BROWSERLESS_TOKEN"
            },
            {
              "default": "https://production-sfo.browserless.io",
              "description": "Browserless API endpoint (regional or self-hosted)",
              "name": "BROWSERLESS_API_URL"
            }
          ],
          "identifier": "@browserless.io/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.41.0"
        }
      ],
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer token for your Browserless API key (Bearer <token>). Optional: the hosted server also supports OAuth sign-in.",
              "isSecret": true,
              "name": "Authorization"
            },
            {
              "description": "Regional Browserless endpoint, e.g. https://production-lon.browserless.io. Defaults to San Francisco.",
              "name": "x-browserless-api-url"
            }
          ],
          "type": "streamable-http",
          "url": "https://mcp.browserless.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/browserless/browserless-mcp"
      },
      "title": "Browserless",
      "version": "1.41.0",
      "websiteUrl": "https://docs.browserless.io/mcp/browserless-mcp-server/setup"
    }
  },
  "source": "mcp_registry",
  "summary": "Official Browserless MCP server: browser automation, scraping, screenshots and PDFs for AI agents."
}

What the leaf hashes

{"body":"eaaba6a8fd10ca77d913bbe073646548211c0d4f0b14ebff8318b7f356a40d6a","id":783734,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793211064972668,"prev":558059,"subject":"mcp_registry:io.browserless/mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x0888758a995b783aae2f0033e3df3c79dd2f5b23a6ff4bd5a024e52f752c0885
2. 0x73284fafb2840c836f0aabeb14de02ae3f0c40f12315b6a902de1f28c161125c
3. 0x13ee9475dd2af84ca5d50267c12752460bbe440588b56e2ca72406eb2e3a7b12
4. 0x777ca692a0b31e5eaa7e556fd0d2fb4508fa1c4f002d1dab23b1dcca71560e3b
5. 0xee5d7781c487281863ea22902be9e0ad2aab101d78460dae6b15d8677dd8ea01
6. 0x2a792f2416b8f135cbf958c72b8e1e8e45ede37b0f32c880977a8e0b140cc0e3
7. 0x3345c085bbd42e70f8f9057dd4c0042e94e2f5f30a9dcbcf73637fa74531fd68
8. 0xb2827919ac00d2e696396f6f6e873c2be802157e4a3ab93f090d54bbc24516cc
9. 0xf2fa48e5ff29cdbda8a8d99333fa4e4e06560fb9d9c324798fe64bcdc4002582
10. 0x7d315b556bed7c695f760cedd44f9cc2e78a7a7b1bf628ac19dc2820172f44c5
11. 0x5584abd14badcd73025dcce4c64aa405404c405ff91f39a427bda991a1e95b37
12. 0x825b5cba69887117963e0cfd615aa74fe5ae01aa1deb0098d6b7e04e01634ba7
13. 0x8dcd5f3419d7730712ce62dbc974d197b0e9c47ee96e0172cdc134c7a6bf73f2
14. 0xf3fd571846115a5778f2f20ec53a7e9b272de5f8737a627379966b3745ad5e29
15. 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae