Cross-Reference Claim Source hierarchy (enforced) 1. Primary : original arXiv paper, official docs (PyTorch, CUDA, Linux), RFC, ACM/IEEE proceedings, canonical textbook ( Deep Learning Goodfellow et al., DDIA Kleppmann, Jurafsky & Martin). 2. Secondary : author's own blog/slides when they are the primary authority; well-maintained official implementation source. 3. Tertiary : Wikipedia (orientation only, never as the cite). 4. Not a source : random blog posts, Medium, X threads, unreviewed tutorials, other LLM outputs. Workflow Guardrails 1. Never cite a blog post as primary. 2. Never cite mo…