{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/lancaster/main/json-schema/lancaster-record-schema.json",
  "title": "Lancaster EPrints OAI Record",
  "description": "JSON Schema for a single OAI-PMH record (header + oai_dc Dublin Core metadata) harvested from the Lancaster EPrints repository.",
  "type": "object",
  "required": ["header"],
  "properties": {
    "header": {
      "type": "object",
      "required": ["identifier", "datestamp"],
      "properties": {
        "identifier": {
          "type": "string",
          "description": "OAI item identifier.",
          "examples": ["oai:eprints.lancs.ac.uk:9"]
        },
        "datestamp": {
          "type": "string",
          "format": "date-time"
        },
        "status": {
          "type": "string",
          "enum": ["deleted"]
        },
        "setSpec": {
          "type": "array",
          "items": { "type": "string" }
        }
      }
    },
    "metadata": {
      "$ref": "#/$defs/dublinCore"
    }
  },
  "$defs": {
    "dublinCore": {
      "type": "object",
      "description": "Simple Dublin Core (oai_dc) metadata for an EPrints item.",
      "properties": {
        "title": { "type": "string" },
        "creator": { "type": "array", "items": { "type": "string" } },
        "date": { "type": "string" },
        "type": { "type": "array", "items": { "type": "string" } },
        "identifier": { "type": "array", "items": { "type": "string" } },
        "subject": { "type": "array", "items": { "type": "string" } },
        "description": { "type": "string" },
        "publisher": { "type": "string" },
        "relation": { "type": "array", "items": { "type": "string" } }
      }
    }
  }
}