Evidence row 56815

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://signl4.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/signl4/"
    ]
  ],
  "name": "SIGNL4 MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T22:35:12.215041Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T22:35:12.215041Z",
        "updatedAt": "2026-10-25T22:35:12.215041Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read SIGNL4 alerts, teams, users and duty schedules; raise, acknowledge, close and annotate alerts.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/signl4",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://signl4.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/signl4",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SIGNL4 MCP by usefulapi",
      "version": "1.11.0",
      "websiteUrl": "https://usefulapi.io/signl4/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read SIGNL4 alerts, teams, users and duty schedules; raise, acknowledge, close and annotate alerts."
}

What the leaf hashes

{"body":"83111bb9d3c113aedf051a51a57d9a1dd793e23abf7082970649b200d7a11320","id":56815,"kind":"listing","method":"baseline/1","observed_us":1793025440851325,"prev":null,"subject":"mcp_registry:io.usefulapi/signl4","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. 0xdf867eeaaf5c5a6581537b593935748ed4ae15a141e05245e34cafd6fd393274
2. 0xe2460be7503db8833bdf134d9f3e9da93c0999281f7d0ee51160aceb2d49ce88
3. 0xb112a5a25c9a5b5dd911d2e7de6e29e2abe8a6f2ba4303adc1b90371846074a8
4. 0xf10500965c20768711591825e920bbbc39c5b1c716f28f5c033d8242bb926d11
5. 0xbdb35538f5f5266b874aa1372ecde4c44bdf167da7ea77dce551f939a1aed54a
6. 0xba97e62e6f638a3c461ab2acc09228099bd2ac4505a5910e44c50972e5922127
7. 0x3fb45396abc672bfebc4fe092719e66df626770bf913ae0afaa94b3a4292d4d7
8. 0x0a1c6d3e0c6653f56b2ae5018212dfe76399c98a41e4f7a3a5bfdc01110920f6
9. 0x3830eb775e688eed07a1723431045777b46580e6959e9ce587f21cb3b8015b8e
10. 0x31ae1db8a7234b94d9fe5367527c887819eae31f8682d2506d2e71c84c07ccd6
11. 0x81e0a64a684968fee123ac8017e882fda3952628b73684e4b974157cf7552f06
12. 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae