{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/imperial-college-london/main/json-schema/imperial-college-london-item-schema.json",
  "title": "Spiral DSpace Item",
  "description": "A deposited research output (item) in Imperial College London's Spiral repository, as returned by the DSpace 7.6.1 REST API at /server/api/core/items/{uuid}. HAL+JSON.",
  "type": "object",
  "required": ["uuid", "type", "metadata"],
  "properties": {
    "id": { "type": "string", "format": "uuid" },
    "uuid": { "type": "string", "format": "uuid" },
    "name": { "type": "string" },
    "handle": { "type": "string", "examples": ["10044/1/118549"] },
    "inArchive": { "type": "boolean" },
    "discoverable": { "type": "boolean" },
    "withdrawn": { "type": "boolean" },
    "lastModified": { "type": "string", "format": "date-time" },
    "entityType": { "type": ["string", "null"] },
    "type": { "type": "string", "const": "item" },
    "metadata": {
      "type": "object",
      "description": "Map of metadata field keys to arrays of metadata values.",
      "additionalProperties": {
        "type": "array",
        "items": { "$ref": "#/$defs/metadataValue" }
      }
    },
    "_links": { "type": "object" }
  },
  "$defs": {
    "metadataValue": {
      "type": "object",
      "required": ["value"],
      "properties": {
        "value": { "type": "string" },
        "language": { "type": ["string", "null"] },
        "authority": { "type": ["string", "null"] },
        "confidence": { "type": "integer" },
        "place": { "type": "integer" }
      }
    }
  }
}