Blockchain object types related to smartefact

There are types objects in the blockchain which important to the smartefact

• Art object: it represents a painting, photo or any other object itself
• Certificate: represents one of the 
  • Trust certificate: 
  • Exhibition certificate
  • Ownership transfer certificates
  • Expertise certificate
  • Revocation certificate
• Manifest document: A document representing an actor of the system (such an artist, expert, museum, gallery or a particular peson who acts on behalf of the authority). Smartefact deals with:
  • Artist manifests: represents an artist (artist's manifest)
  • Trusted root manifests
  • Other actors manifests (museums, collectors, experts, auction houses, galleries etc)
• Sigil document: represents a transferable permission to issue certificates or sign documents. Any document can be used as a sigil. A sigil can be used as a trusted root during the trust determination procedure: If a document was signed by a trusted root sigil holder the document will be treated as a trusted document.