University of Manchester · Schema

University of Manchester IIIF Image API information document

Schema for the info.json returned by the University of Manchester Library's own IIIF Image API server at image.digitalcollections.manchester.ac.uk. Constraints reflect what that deployment actually reports, not the full range the IIIF Image API 2.0 standard permits.

UniversityHigher EducationEducationResearchUnited KingdomRussell GroupLibraryDigital CollectionsIIIFIdentity FederationResearch DataResearch Computing

Properties

Name	Type	Description
@context	object
@id	string
protocol	object
width	integer
height	integer
sizes	array
tiles	array
profile	array

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/university-of-manchester/refs/heads/main/json-schema/university-of-manchester-iiif-image-info-schema.json",
  "title": "University of Manchester IIIF Image API information document",
  "description": "Schema for the info.json returned by the University of Manchester Library's own IIIF Image API server at image.digitalcollections.manchester.ac.uk. Constraints reflect what that deployment actually reports, not the full range the IIIF Image API 2.0 standard permits.",
  "x-provenance": {
    "generated": "2026-08-19",
    "method": "derived",
    "source": "https://image.digitalcollections.manchester.ac.uk/iiif/MS-LATIN-00006-000-00001.jp2/info.json",
    "status": 200,
    "operator": "institution",
    "note": "Derived from the live response saved at examples/university-of-manchester-iiif-image-info-example.json."
  },
  "type": "object",
  "required": ["@context", "@id", "protocol", "width", "height", "profile"],
  "additionalProperties": true,
  "properties": {
    "@context": { "const": "http://iiif.io/api/image/2/context.json" },
    "@id": { "type": "string", "format": "uri", "pattern": "^https://image\\.digitalcollections\\.manchester\\.ac\\.uk/iiif/" },
    "protocol": { "const": "http://iiif.io/api/image" },
    "width": { "type": "integer", "minimum": 1 },
    "height": { "type": "integer", "minimum": 1 },
    "sizes": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["width", "height"],
        "properties": {
          "width": { "type": "integer", "minimum": 1 },
          "height": { "type": "integer", "minimum": 1 }
        }
      }
    },
    "tiles": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["width", "scaleFactors"],
        "properties": {
          "width": { "type": "integer", "const": 256 },
          "height": { "type": "integer", "const": 256 },
          "scaleFactors": { "type": "array", "items": { "type": "integer" } }
        }
      }
    },
    "profile": {
      "type": "array",
      "minItems": 1,
      "prefixItems": [ { "const": "http://iiif.io/api/image/2/level1.json" } ],
      "items": {
        "type": "object",
        "properties": {
          "formats": { "type": "array", "items": { "enum": ["jpg"] } },
          "qualities": { "type": "array", "items": { "enum": ["native", "color", "gray", "bitonal"] } },
          "supports": { "type": "array", "items": { "type": "string" } },
          "maxWidth": { "type": "integer", "const": 2000 },
          "maxHeight": { "type": "integer", "const": 2000 }
        }
      }
    }
  }
}