Evidence row 277665

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": "2026-10-26T18:31:08.23519Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T18:31:08.23519Z",
        "updatedAt": "2026-10-26T18:31:08.23519Z"
      }
    },
    "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": "1.40.0"
        }
      ],
      "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": "1.40.0",
      "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":"0f27bab2ef8381e24484b50706a60d68b0134eb83fc6ac0a53d07e1f3d8949df","id":277665,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793042040623843,"prev":24741,"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 2026-10-26 (296695 rows).

1. 0x908c4114bd28b84cd9dbcfccb34f8b3d4958c401b5664a15024ec68670e25422
2. 0x55b1d517991f3246b78c49ba8ca63b2930ab9be4e37778aec186e5a4ac75c16f
3. 0xfcb7a0369e072a825c1ea2956ee105388f174bc068dcd07055b4de699ce4a512
4. 0x04417f7d187f7949bf770dd826acfcae7fcd78dfd3931f6fd9e959cadec90d4b
5. 0xd520d24332dcfc4b97d3c6734b408ef3dc37e99d9e1b61004c5f9e1fceddff4e
6. 0x658b72b9addb26f946643c3e0976961b3bbf97848628493cc896acb23917fb96
7. 0x2c11725176535399c6e0db820bdf22910f7a30ce0fb8848a368e2d84158c1bf4
8. 0x1bbe99110459f77367223a690206bf73faf8261d1e561757ef785e6fb6430171
9. 0x34218488b946088cefda1e91ecf658e451b5fa9de339f66946fe548fbb5cf034
10. 0xaceb83c372739bd98e77173713a458afd2092803e86ac0b8b2afe3eb94ca90c0
11. 0xc41c5ee73cf254bf3fe8e9a8475b0931c3223f7331f30010bc3a5e2a753329d6
12. 0x4634efb8094d1dd2874013b832ad8653e49400f57bf98efdcc5f925ed08d0f5b
13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae