Evidence row 3945640

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/wefact/"
    ],
    [
      "mcp",
      "https://wefact.usefulapi.io/mcp"
    ]
  ],
  "name": "WeFact MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:18:34.150074Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:34.150074Z",
        "updatedAt": "2026-11-07T09:18:34.150074Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Look up customers, invoices, products and subscriptions in WeFact.",
      "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/wefact",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://wefact.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/wefact",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "WeFact MCP by usefulapi",
      "version": "1.2.3",
      "websiteUrl": "https://usefulapi.io/wefact/"
    }
  },
  "source": "mcp_registry",
  "summary": "Look up customers, invoices, products and subscriptions in WeFact."
}

What the leaf hashes

{"body":"d78a617af1d69a7d6df4dfabd6d549e45995150cb5ff068e636ecfa8e02ef106","id":3945640,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043459620219,"prev":3775658,"subject":"mcp_registry:io.usefulapi/wefact","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x21fac1e9426b68133bc7580727aeacbf443ad27e2562cd648dd6e869cf7624d5
2. 0x08c4337eb816a2466b7b4d1999fe3a3c78330869611bf9036f5a40758a426864
3. 0x6ac40daa3f892e4bbd8dcb4d57ce01c81ce872ea5653514ba4bc2e2981fef345
4. 0x9f452d1e0636ed6346f7e7a4eb31b4536fe1c6940a7a33217b543c8c6e3e4fa1
5. 0x7a6b7f11cb77241e946b0a190fc3d6bf859cc36bfbf366006a1fd4365c754dc8
6. 0x7b9877deb439126d8f904915c9d5e8d5d8ced191fe7f2b1a0398c7b2e3c37b61
7. 0x4561856c742dac2f97690475f227f24a0338004dba6912adadf6097c4a160484
8. 0x8b8c822a68e2f35955dccac37c141d10df6a71e26847d19798ecc2f9c1e47e70
9. 0x871bbec9145e4e95fd5e05075fb7cf22676e2e23f1fbc477acc9d84ab1737d6e
10. 0xb904072cd9a58d2c79fdaeda6d27e11b490ab96fff2f15b087275d5e49d1bd20
11. 0xca5ed0a489f6709bb84ebb556e713272921b5d6ddfd138ead3c47dfcaa87d566
12. 0x658b7373cd6d8544517d8099d6279956da95b5312cf52f3f1b5974a8163622cd
13. 0x78453dc4e9c270f39d15a1727634a7f24b351d301dd0f7a85d7c6f2ffdf65ffd
14. 0xd1a33ae0335e7cea3634b4772bc65ab22ff7615b5af0fac5752d839e8f2c17ec
15. 0x22002567dfb80a697b73b13f0cc7ab99ac0c0bd9ea84bf4883eeb09f86036e24
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa