Smithsonian Collection Item

A museum collection object from the Smithsonian Institution Open Access API

CollectionsCultural HeritageMuseumsOpen DataArtNatural HistoryResearch

Properties

Name Type Description
id string Unique EDAN identifier
title string Object title
unitCode string Smithsonian museum or library unit code (e.g., NMAH, NASM, SIA)
type string EDAN record type
url string URL to the object page on si.edu
thumbnail string URL to thumbnail image
content object Full metadata content
View JSON Schema on GitHub

JSON Schema

smithsonian-collection-item-schema.json Raw ↑
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://edan.si.edu/openaccess/schemas/collection-item",
  "title": "Smithsonian Collection Item",
  "description": "A museum collection object from the Smithsonian Institution Open Access API",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique EDAN identifier"
    },
    "title": {
      "type": "string",
      "description": "Object title"
    },
    "unitCode": {
      "type": "string",
      "description": "Smithsonian museum or library unit code (e.g., NMAH, NASM, SIA)",
      "examples": ["NMAH", "NASM", "SIA", "NMNHAH", "FSG"]
    },
    "type": {
      "type": "string",
      "description": "EDAN record type",
      "enum": ["edanmdm", "ead_collection", "ead_component"]
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "URL to the object page on si.edu"
    },
    "thumbnail": {
      "type": "string",
      "format": "uri",
      "description": "URL to thumbnail image"
    },
    "content": {
      "type": "object",
      "description": "Full metadata content",
      "properties": {
        "descriptiveNonRepeating": {
          "type": "object",
          "description": "Non-repeating descriptive metadata",
          "properties": {
            "title": {
              "type": "object",
              "properties": {
                "content": {"type": "string"}
              }
            },
            "record_ID": {"type": "string"},
            "unit_code": {"type": "string"},
            "data_source": {"type": "string"},
            "online_media": {
              "type": "object",
              "properties": {
                "media": {
                  "type": "array",
                  "items": {"$ref": "#/definitions/MediaItem"}
                }
              }
            }
          }
        },
        "indexedStructured": {
          "type": "object",
          "description": "Structured indexed metadata for faceted search",
          "properties": {
            "object_type": {"type": "array", "items": {"type": "string"}},
            "date": {"type": "array", "items": {"type": "string"}},
            "place": {"type": "array", "items": {"type": "string"}},
            "culture": {"type": "array", "items": {"type": "string"}},
            "topic": {"type": "array", "items": {"type": "string"}},
            "online_media_type": {"type": "array", "items": {"type": "string"}}
          }
        },
        "freetext": {
          "type": "object",
          "description": "Free-text metadata fields",
          "properties": {
            "physicalDescription": {"type": "array", "items": {"type": "object"}},
            "setName": {"type": "array", "items": {"type": "object"}},
            "creditLine": {"type": "array", "items": {"type": "object"}},
            "notes": {"type": "array", "items": {"type": "object"}},
            "identifier": {"type": "array", "items": {"type": "object"}}
          }
        }
      }
    }
  },
  "definitions": {
    "MediaItem": {
      "type": "object",
      "properties": {
        "thumbnail": {"type": "string", "format": "uri"},
        "idsId": {"type": "string"},
        "type": {
          "type": "string",
          "enum": ["Images", "Videos", "Audio", "3D Models"]
        },
        "content": {"type": "string", "format": "uri"},
        "caption": {"type": "string"}
      }
    }
  }
}