WHG Version 4¶ Blueprint for WHG Version 4, expected to launch by mid-2026. 1. User Guide 1.1. Note to Documentation Team 1.2. Getting Help 2. Open Educational Resources (OER) 2.1. Vision 2.2. Strategic Goals 2.3. Technical Requirements 3. Data Model 3.1. Introduction 3.2. Overview 3.3. Attestations & Relations 3.4. Vocabularies 3.5. Special Thing Patterns 3.6. Contribution Types & Data Formats 3.7. RDF Representation 3.8. Platform Use Cases 3.9. Implementation in ArangoDB 3.10. Summary & Future Directions 4. System Architecture 4.1. Database Technology Assessment 4.2. Kubernetes Configuration 4.3. SSH Key Setup 4.4. Deploying the Management Pod 4.5. Deploying Services 4.6. Service Configuration