Software as a service (SAAS) services featuring software for the registration, authentication, tracking, and verification of works of art; Platform as a service (PAAS) featuring computer software platforms for the registration, authentication, tracking, and verification of works of art; Providing on-line non-downloadable software for managing digital and physical certificates of authenticity, provenance, and ownership records of works of art; Providing temporary use of on-line non-downloadabl...