{
  "$schema": "http://json-schema.org/draft-07/schema#", "type": "object",
  "required": ["basis-artifact-id", "basis-artifact-sha256", "summary", "resources", "auth-model", "error-model", "versioning", "compatibility-assumptions"],
  "properties": {
    "basis-artifact-id": {"type": "string", "minLength": 1}, "basis-artifact-sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"},
    "summary": {"type": "string", "minLength": 1}, "resources": {"type": "array", "minItems": 1},
    "auth-model": {"type": "object", "minProperties": 1}, "error-model": {"type": "object", "minProperties": 1},
    "versioning": {"type": "object", "minProperties": 1}, "compatibility-assumptions": {"type": "array", "minItems": 1}
  }
}