Evidence row 2129907

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": "2026-11-02T11:47:56.541057Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:47:56.541057Z",
        "updatedAt": "2026-11-02T11:47:56.541057Z"
      }
    },
    "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": "1.43.0"
        }
      ],
      "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": "1.43.0",
      "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":"bed545da6f40892a8e192e97ee9192e948e8f0fd5dac13e44437ca03f053475c","id":2129907,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621907636987,"prev":1051652,"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 2026-11-02 (444186 rows).

1. 0x6a8090c7a1bb8a246381db56cd23d4c5bc23de09040fa596270c4e139ca81e81
2. 0xd27a4da6746964d12d02dcab76fa159f7722bcc14b12f8fa56d1aaf1c6b29f40
3. 0x087a08d68174f74d498c2f90aac480672174aece5230eb42e7244f8256d3f51b
4. 0x73793288cdeddf525f45ee46076bb03297f385f167d305bcbd778592da4b3b2f
5. 0x0ea3c7653a96e3aaf6fb61131ef4286d7c9bfd1ba79ede1459d0243b100e46f7
6. 0x1ba05508d3156fa5c5591e60cd5af9cd433c4b6d62c52701baa812b7177bd15d
7. 0x6c9f5d642bd7901490e2b4eaaec4dad5e28375ac9cd647460b0574c3ff20108d
8. 0xee4cb882869c454f90f320471013c65fa6a1d131b60301035e2969cbfeda7b1c
9. 0xd5c0f554c7aa034deab829eca8d0b02929840cf9303e644d57bc340ba4f1c79e
10. 0xa6c89bbf5158ecc556ebad7d848bc3a6c19f7f5d8c80582ef358920372e478a8
11. 0x5560d00686b4a081e346c71baba0994558e82d29ddd1741bf70584055e3ec9db
12. 0xb48ca1bd0f7d11b26354130c55fb0705def4c057f699f06b082b6cdf5cb448a2
13. 0x2fd2d9cf947c79681f19cce7449a6b4b73c256ceadacecd526a729734fb1339d
14. 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af