Handshake Request

{
  "@context": "https://local-loop-io.github.io/projects/loop-protocol/contexts/loop-v0.2.0.jsonld",
  "@type": "NodeHandshake",
  "schema_version": "0.2.0",
  "node_id": "munich.loop",
  "name": "DEMO Munich Node",
  "endpoint": "https://demo-munich.loop/api",
  "capabilities": [
    "material-registry",
    "lab-relay"
  ],
  "timestamp": "2025-12-20T10:00:00Z",
  "public_key": "-----BEGIN PUBLIC KEY-----MIIB...END PUBLIC KEY-----"
}