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Security & Digital Seals

Anti-forgery lathework and cryptographic marks — seals whose job is to resist copying. The monogram and document ID are parameters; the lattice is computed geometry no photocopier resolves cleanly.

Features used: SVG, Composition, Data Binding, Columns, Fonts, Styles

The seals on this page​

Each seal is a component: invoke it by name inside any svg block and pass parameters where the design exposes them.

Guilloche Security​

Engine-turned lathework — shape: classic rings.

Parameters: monogram

{
  "svg": {
    "viewBox": [
      132,
      132
    ],
    "children": [
      {
        "use": {
          "name": "security-guilloche-seal",
          "width": 132,
          "height": 132,
          "params": {
            "monogram": "V"
          }
        }
      }
    ]
  }
}

Digital eSeal​

Cryptographic signature mark — shape: classic rings.

Parameters: docid

{
  "svg": {
    "viewBox": [
      132,
      132
    ],
    "children": [
      {
        "use": {
          "name": "digital-eseal",
          "width": 132,
          "height": 132,
          "params": {
            "docid": "ID VD-2026-0417"
          }
        }
      }
    ]
  }
}

DocPayload Verification​

Ring seal with a scannable QR core — shape: classic rings.

Parameters: docref

{
  "svg": {
    "viewBox": [
      132,
      132
    ],
    "children": [
      {
        "use": {
          "name": "docpayload-seal",
          "width": 132,
          "height": 132,
          "params": {
            "docref": "D-2026-000841"
          }
        }
      }
    ]
  }
}