Imperial College London · JSON Structure

Imperial College London Item Structure

JSON Structure for a Spiral (DSpace 7.6.1) repository item.

Type: object Properties: 11 Required: 3

UniversityHigher EducationEducationRussell GroupUnited KingdomLondonResearchInstitutional RepositoryOpen AccessIdentity FederationLearning ManagementLibrary

SpiralItem is a JSON Structure definition published by Imperial College London, describing 11 properties, of which 3 are required. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

id uuid name handle inArchive discoverable withdrawn lastModified entityType type metadata

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

{
  "x-provenance": {
    "generated": "2026-08-19",
    "method": "derived",
    "source": "live probe of https://spiral.imperial.ac.uk/server/api (DSpace 7.6.1 / DSpace-CRIS 2023.02.05)",
    "x-operator": "tenant",
    "x-operator-note": "Derived from / probed against the 4Science-hosted Spiral DSpace-CRIS instance. The data is Imperial College London’s; the platform and contract are not."
  },
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/imperial-college-london/main/json-structure/imperial-college-london-item-structure.json",
  "name": "SpiralItem",
  "description": "JSON Structure for a Spiral (DSpace 7.6.1) repository item.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "uuid": {
      "type": "string"
    },
    "name": {
      "type": "string"
    },
    "handle": {
      "type": "string"
    },
    "inArchive": {
      "type": "boolean"
    },
    "discoverable": {
      "type": "boolean"
    },
    "withdrawn": {
      "type": "boolean"
    },
    "lastModified": {
      "type": "string",
      "format": "date-time"
    },
    "entityType": {
      "type": [
        "string",
        "null"
      ]
    },
    "type": {
      "type": "string"
    },
    "metadata": {
      "type": "map",
      "values": {
        "type": "array",
        "items": {
          "type": "object",
          "name": "MetadataValue",
          "properties": {
            "value": {
              "type": "string"
            },
            "language": {
              "type": [
                "string",
                "null"
              ]
            },
            "authority": {
              "type": [
                "string",
                "null"
              ]
            },
            "confidence": {
              "type": "int32"
            },
            "place": {
              "type": "int32"
            }
          },
          "required": [
            "value"
          ]
        }
      }
    }
  },
  "required": [
    "uuid",
    "type",
    "metadata"
  ]
}

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