anchor.diff:    artwork(
       # The slug or ID of the Artwork
       id: String!
  +
  +    # Include unlisted artwork or not
  +    includeUnlisted: Boolean
     ): Artwork
   
     # List of all artwork attribution classes
  
positive.code:   # A slug ID.
    slug: ID!
    title: String
  
    # If the category is video, then it returns the href for the (youtube/vimeo) video, otherwise returns the website from CMS
    website: String
  
negative.code:   pricingContext: AnalyticsPricingContext
    provenance(format: Format): String
  
    # Whether this artwork is published or not
    published: Boolean!
    publisher(format: Format): String
  
  