Assertion The act of asserting a graph during a determined period of time Cardinality of one for startTime and endTime, this doesn't prevent unrevoked assertion not to have a known endDate. They will have eventually. Cardinality 1 for assertedComponent Graph An RDF Graph Source A source asserting graphs Typically an agent or a newsfeed. TerminalMolecule A terminal molecule NonTerminalMolecule A non-terminal molecule ContextualMolecule A contextual molecule FunctionallyGroundedNode A functionally grounded node asserter The source of the subject containsNonTerminalMolecule An nt-molecule the subject contains assertionTime the moment at which an assertion was made revocationTime the moment at which an assertion was made asserted component The graph asserted with an assertion hashCode a weak hash of the subject strongHashCode a strong hash of the subject described in Points to the resources in which the subject is stored