{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.wtf-p.dev/project/common/v1",
  "$defs": {
    "identifier": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9]*(?:-[a-z0-9]+)*$"
    },
    "logicalUri": {
      "type": "string",
      "pattern": "^project://(?!\\.{1,2}(?:/|$))(?!.*\\/\\.{1,2}(?:/|$))[A-Za-z0-9._~-]+(?:/[A-Za-z0-9._~-]+)*$"
    },
    "protocolUri": {
      "type": "string",
      "pattern": "^protocol://(?!\\.{1,2}(?:/|$))(?!.*\\/\\.{1,2}(?:/|$))[A-Za-z0-9._~-]+(?:/[A-Za-z0-9._~-]+)*$"
    },
    "nonEmptyString": {
      "type": "string",
      "minLength": 1
    },
    "timestamp": {
      "type": "string",
      "format": "date-time"
    },
    "date": {
      "type": "string",
      "format": "date"
    },
    "confidence": {
      "enum": ["high", "medium", "low", "unknown"]
    }
  }
}