The structured knowledge base operated by the Wikimedia Foundation — a machine-readable, crowd-maintained entity registry that serves as a critical corroboration source for AI systems. Wikidata entities carry high authority weight in entity resolution systems because Wikidata’s editorial standards and version control make it a reliable disambiguation signal. A Wikidata item for your entity, with properly linked claims and references, contributes to both KGMID assignment and parametric memory formation. Wikidata is load-bearing infrastructure, not optional social proof.