Structured knowledge base for entity corroboration. Create Wikidata items for organization, founder, key methodologies. Include: instance of (Q43229), industry (property P452), official website (P856), inception date (P571). Link to Wikipedia article if one exists. Wikidata entities strengthen KGMID assignment and contribute to parametric memory. Update when entity attributes change. Use for sameAs linking across entity representations. High editorial standards make this a tier-1 corroboration source.