Evidence row 52216

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.signaliz.com/functions/v1/signaliz-mcp"
    ],
    [
      "web",
      "https://signaliz.com/"
    ]
  ],
  "name": "Signaliz",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-05-16T00:48:32.943155Z",
        "status": "active",
        "statusChangedAt": "2026-05-16T00:48:32.943155Z",
        "updatedAt": "2026-05-16T00:48:32.943155Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "auth": {
            "oauthProtectedResource": "https://api.signaliz.com/functions/v1/signaliz-mcp/.well-known/oauth-protected-resource",
            "type": "api_key_or_oauth"
          },
          "categories": [
            "sales",
            "go-to-market",
            "lead-generation",
            "data-enrichment",
            "email-verification",
            "data-quality",
            "automation",
            "agentic-ops"
          ],
          "npmPackage": "@signaliz/mcp-server",
          "toolSchema": "https://github.com/signaliz/signaliz-mcp/blob/main/tools/tools.json"
        }
      },
      "description": "B2B lead generation, email verification, company enrichment, and agentic GTM Ops.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "any"
          ],
          "src": "https://signaliz.com/lovable-uploads/b3949cbc-6438-4a0a-aa09-b5e08d3b1ded.png"
        }
      ],
      "name": "io.github.signaliz/signaliz-mcp",
      "remotes": [
        {
          "headers": [
            {
              "description": "Signaliz API key as a Bearer token. Create one from Settings > Developer > API Access in Signaliz.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {signaliz_api_key}",
              "variables": {
                "signaliz_api_key": {
                  "description": "Signaliz API key.",
                  "isRequired": true,
                  "isSecret": true,
                  "placeholder": "sk_your_key_here"
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://api.signaliz.com/functions/v1/signaliz-mcp"
        }
      ],
      "repository": {
        "id": "1236179880",
        "source": "github",
        "url": "https://github.com/signaliz/signaliz-mcp"
      },
      "title": "Signaliz",
      "version": "2.0.1",
      "websiteUrl": "https://signaliz.com"
    }
  },
  "source": "mcp_registry",
  "summary": "B2B lead generation, email verification, company enrichment, and agentic GTM Ops."
}

What the leaf hashes

{"body":"7a0b9a01cbb86cbfbba2e3ae3637b9d19b2ab06590aa0746cb1a519e13453ef6","id":52216,"kind":"listing","method":"baseline/1","observed_us":1793025419691947,"prev":null,"subject":"mcp_registry:io.github.signaliz/signaliz-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. 0x0a2ecd9055a67e7bc51bd36983576e6c799bce4568e8cafef364fe8a3a46552b
2. 0xc1c23c09dad702a8bd402fd093b6841892c4aaa0bc2dd09798ee246a74dd8fea
3. 0x4203522c1609656c2119fde2f037c3d40b37a74583f5f2ea0aaccf36c333fe19
4. 0xff1d97e70d7de6ff321ae7765c9849e84aa65dd9e791ddc85fd007f0e91a7ff9
5. 0x0f5ec6b8373055f6b0e56064e41bb1fd26bc68be2553f17f2c8d127ce3cd972b
6. 0x4ef7fdfb836ea54b12c74f05eec8861251104cdfbc67221de4965c8362d362eb
7. 0x60b86f2a4298f707f140cbf8016ca9fc737d4c0e0b7623339cddc9d7104f82f0
8. 0xc8cce4ccfe25d5a5077983f73b288514abe105c9786080272d48f65d5364c404
9. 0xf88e097adda8b3df9e167ac9617b23b48d33f13fbfd85f031daeddd17d64feb0
10. 0xb0bc31ab556762b7fe858f7c949edb2e4e31297933ff02d4987fcbda94b38b0f
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