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Evidence row 53633

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.thevrus/marklayer
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
477140b9daf92daf4f172dbc6c117f2a2d2d484f5df3fb29e0a66ed1cb8cfd05
Leaf
0xda327485dfbe318aa57a060fe01ae69c386e4b5a9ba13c1dc3a9f4f2a8354214

What was observed

{
  "endpoints": [
    [
      "web",
      "https://marklayer.app/"
    ]
  ],
  "name": "MarkLayer",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-16T23:22:00.687672Z",
        "status": "active",
        "statusChangedAt": "2026-10-16T23:22:00.687672Z",
        "updatedAt": "2026-10-16T23:22:00.687672Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Work visual annotations on a live webpage: watch, acknowledge, resolve, reply, or leave your own.",
      "name": "io.github.thevrus/marklayer",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Same as --room: the share URL or room id to join at startup.",
              "name": "MARKLAYER_ROOM"
            },
            {
              "description": "Override the MarkLayer worker base URL. Defaults to https://marklayer.app; useful against a local dev worker.",
              "name": "MARKLAYER_API_BASE"
            },
            {
              "description": "Name shown to the humans in the room for this agent. Defaults to claude-code.",
              "name": "MARKLAYER_AGENT"
            }
          ],
          "identifier": "marklayer-mcp",
          "packageArguments": [
            {
              "description": "MarkLayer room to join at startup: a share URL (https://marklayer.app/s/abc123) or a bare room id. Omit it and the agent calls marklayer_connect_room instead.",
              "format": "string",
              "name": "--room",
              "type": "named"
            }
          ],
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.6.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "apps/mcp",
        "url": "https://github.com/thevrus/MarkLayer"
      },
      "title": "MarkLayer",
      "version": "0.6.0",
      "websiteUrl": "https://marklayer.app"
    }
  },
  "source": "mcp_registry",
  "summary": "Work visual annotations on a live webpage: watch, acknowledge, resolve, reply, or leave your own."
}

What the leaf hashes

{"body":"477140b9daf92daf4f172dbc6c117f2a2d2d484f5df3fb29e0a66ed1cb8cfd05","id":53633,"kind":"listing","method":"baseline/1","observed_us":1793025423264088,"prev":null,"subject":"mcp_registry:io.github.thevrus/marklayer","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xda32dad0a5f1f0c8868aad56e71703b84f4fb032fb9766b001124aebfb2a4396
  2. 0x961b10926f42b751e6f9a63498a581babc37c359031ee4e7c58db49bf32021dc
  3. 0x6572bc9d84047a74e917eca44c073ce66e97318e171643358c553d87d52e5429
  4. 0x12a92ec1dea69bfed84770ec3100255c263d3dbe4835fd237c31022f61b2cd51
  5. 0x247dca36e60ef880b6d2ee2acfd64c1711f47440483ec72fe4bac5e0af05a783
  6. 0xabd9f320df89b2a2f74e06277618b806fc1d2d16d2cb6fdc08b22d786a766cb6
  7. 0x4ac55120e71bf805c86edcf8b8a3d126c2cb9319b8e874c8e248d6c38e715a2f
  8. 0x2dfeebb3f9c00334384ea015f4975b2cd8382e344274449ee7278a48e3976ac6
  9. 0x439cf446b6655a1c9af5ca75dadbc6e0a732ed6f01bd40ee0b683ca22ba33285
  10. 0xddb1d558f250f3c7af2a9114478d2e8fd2c1ccf13c41a7367d80c929b4a5e0c6
  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

How to check it · This row as JSON