Evidence row 39751

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.revasserlabs.com/oauth/mcp"
    ],
    [
      "web",
      "https://mcp.revasserlabs.com/"
    ]
  ],
  "name": "Slack MCP Server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-07T19:45:10.875555Z",
        "status": "active",
        "statusChangedAt": "2026-10-07T19:45:10.875555Z",
        "updatedAt": "2026-10-07T19:45:10.875555Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://raw.githubusercontent.com/jtalk22/slack-mcp-server/main/docs/assets/icon-512.png"
        }
      ],
      "name": "io.github.jtalk22/slack-mcp-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Slack xoxc- token from browser session",
              "format": "string",
              "isSecret": true,
              "name": "SLACK_TOKEN"
            },
            {
              "description": "Slack xoxd- cookie from browser session",
              "format": "string",
              "isSecret": true,
              "name": "SLACK_COOKIE"
            }
          ],
          "identifier": "@jtalk22/slack-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "5.1.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.revasserlabs.com/oauth/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/jtalk22/slack-mcp-server"
      },
      "title": "Slack MCP Server",
      "version": "5.1.0",
      "websiteUrl": "https://mcp.revasserlabs.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth."
}

What the leaf hashes

{"body":"c2daca82ef9c326cd7810fc97225b78447df36eae41b1975465f6a590267ad48","id":39751,"kind":"listing","method":"baseline/1","observed_us":1793025396138761,"prev":null,"subject":"mcp_registry:io.github.jtalk22/slack-mcp-server","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. 0x0ac5034e4e63586e30e609d30cabe235274483521082d0d2b04bc703b067fc9f
2. 0x48cd2d022769266bd177147d33bc3e63d3d40dc524ea76bb2f1f474e9c8b1994
3. 0x5a627e248dce9f0226c0c52e62bd593474aa0e33224ec93d141b8b8cab3082db
4. 0xf570e93127f920a383fd80e7458fb3590a492756a06ecd8fa4f3b74d9fd4f658
5. 0x34dcf2944565e879e3213cb98b6778c7181b099fddb4272c80b0b2aa3aa9c7fd
6. 0x5413f72fb8717aacc6a845abaced0c9c71518d90d913f8d782e7e9941e4bd707
7. 0xaf2898b778803cf50934b6e8bb9b2e44505f5868795fc6f03f20730fc3412330
8. 0x71c1fd4f05ad3a93e4af9225aa3be200c8a2112d944f18790f7196d7ef72e3d2
9. 0xba3b779db8831c9f2d386e6957026a6d91e70d6eaf4539d05649c9e6d0555615
10. 0x3526fc43e1700b5c470f59503113376c32080a3a5d8962c998cb16807f4058a9
11. 0x87b542db74671bce07a9c7ffa1bac70164f2e2ab234b807975c3d56a1d6139ee
12. 0x9e12233d6ee4faeb9271b0fc3c834797517d702f44add023149f28a0809c0aaa
13. 0xe5a836cf25a8dfc72c9e3b6a69a7561a1f61f50f9cf36707d36f6e926aa15dec
14. 0xa96bb9408ce00a0d40ddaba8736257dfce76d5478b131d69db1afdf8a824312b
15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae