https://manifests.collections.yale.edu/{unit}/{object_type}/{object_id}

https://images.collections.yale.edu/iiif/2/{unit}:{uuid}.tif/info.json

https://images.collections.yale.edu/iiif/2/{unit}:{uuid}.tif/{region}/{size}/{rotation}/{quality}.{format}

require 'net/http'

uri = URI('http://images-dev.collections.yale.edu/iiif/2/ypm:85f1f218-30c1-48a4-8546-17d681f59c35.tif/full/20,/0/default.jpg')
api_key = ENV['YPM_SECRET']

req = Net::HTTP::Get.new(uri)
req['Authorization'] = "Bearer #{api_key}"

res = Net::HTTP.start(uri.hostname, uri.port,
                      use_ssl: uri.scheme == 'https') do |http|
  http.request(req)
end

open('out.jpg', 'w') do |f|
  f.write(res.read_body)
end

https://media.collections.yale.edu/tiff/{unit}/{uuid}.tif

{
  "@context": "http://iiif.io/api/discovery/0/context.json",
  "id": "https://example.org/activities/collection.json",
  "type": "OrderedCollection",
  "first": {
    "id": "https://example.org/activities/p1.json",
    "type": "OrderedCollectionPage"
  },
  "last": {
    "id": "https://example.org/activities/p3.json",
    "type": "OrderedCollectionPage"
  }
}

{
  "@context": "http://iiif.io/api/discovery/0/context.json",
  "id": "https://example.org/activities/p2.json",
  "type": "OrderedCollectionPage",
  "partOf": {
    "id": "https://example.org/activities/collection.json",
    "type": "OrderedCollection"
  },
  "prev": {
    "id": "https://example.org/activities/p1.json",
    "type": "OrderedCollectionPage"
  },
  "next": {
    "id": "https://example.org/activities/p3.json",
    "type": "OrderedCollectionPage"
  },
  "orderedItems": [
    {
      "type": "Create",
      "object": {
        "id": "https://example.org/objects/41002.json",
        "type": "json"
      },
      "endTime": "2019-05-10T15:31:01-04:00"
    },
    {
      "type": "Update",
      "object": {
        "id": "https://example.org/objects/54268.json",
        "type": "json"
      },
      "endTime": "2019-05-10T15:31:01-04:00"
    },
    {
      "type": "Update",
      "object": {
        "id": "https://example.org/objects/37331.xml",
        "type": "lido"
      },
      "endTime": "2019-05-10T19:31:01Z"
    },
    {
      "type": "Delete",
      "object": {
        "id": "obj/10788.json",
        "type": "json"
      },
      "endTime": "2019-05-10T15:31:01-04:00"
    }
  ]
}

{
  "unit": "YCBA",
  "cmsType": "obj",
  "cmsId": "1726",
  "metadata": [
    {
      "label": "logo",
      "value": "https://static.britishart.yale.edu/images/ycba_logo.jpg"
    },
    {
      "label": "label",
      "value": "Robert Dighton, 1752–1814, British, The Produce of Industry, undated"
    },
    {
      "label": "Rights URI",
      "value": "https://creativecommons.org/publicdomain/zero/1.0/"
    },
    {
      "label": "Rights Description",
      "value": "Metadata describing Yale Center for British Art collections is public domain under CC0. Copyright or other restrictions may apply to cultural works or images of those works in this record."
    },
     {
      "label": "Copyright Statement",
      "value": "Copyright Information"
    },
    {
      "label": "Image Use Rights URI",
      "value": "http://rightsstatements.org/vocab/UND/1.0/"
    },
    {
      "label": "Image Use Rights",
      "value": "Copyright Undetermined: The copyright and related rights status of this Item has been reviewed by the organization that has made the Item available, but the organization was unable to make a conclusive determination as to the copyright status of the Item. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use."
    },
    {
      "label": "Attribution",
      "value": "Yale Center for British Art, Paul Mellon Collection, public domain"
    },
    {
      "label": "Description",
      "value": "Twelve Illustrations to Contemporary Life and Diversions, Sheet: 6 5/8 × 10 7/8 inches (16.8 × 27.6 cm)"
    },
    {
      "label": "Creator",
      "value": "Robert Dighton, 1752–1814, British"
    },
    {
      "label": "Title",
      "value": "The Produce of Industry"
    },
    {
      "label": "Physical Description",
      "value": "Sheet: 6 5/8 × 10 7/8 inches (16.8 × 27.6 cm)"
    },
    {
      "label": "Credit Line",
      "value": "Yale Center for British Art, Paul Mellon Collection"
    },
    {
      "label": "Institution",
      "value": "Yale Center for British Art"
    },
    {
      "label": "Collection",
      "value": "Prints and Drawings"
    },
    {
      "label": "Call Number",
      "value": "B1986.29.81"
    },
    {
      "label": "homepage",
      "value": [
        {
          "@id": "https://collections.britishart.yale.edu/catalog/tms:1726",
          "type": "Text",
          "label": "catalog entry at the Yale Center for British Art",
          "format": "text/html"
        }
      ]
    },
    {
      "label": "seeAlso",
      "value": [
        {
          "@id": "https://collections.britishart.yale.edu/oaicatmuseum/OAIHandler?verb=GetRecord&identifier=oai:tms.ycba.yale.edu:1726&metadataPrefix=lido",
          "type": "Dataset",
          "format": "text/xml",
          "profile": "http://www.lido-schema.org/schema/v1.0/lido-v1.0.xsd"
        },
        {
          "@id": "http://collection.britishart.yale.edu/id/page/object/1726",
          "format": "text/rdf+n3"
        }
      ]
    }
  ]
}