Writing topic
Retrieval as evidence rather than authority: hybrid search, citation integrity, provenance and grounded generation.
Retrieved evidence can support an agent answer without becoming an authorization source. How hybrid retrieval, provenance, grounding checks, and bounded abstention keep the knowledge path separate from execution.
A cross-lingual reranker moved Recall@5 from 0.9563 to 1.0000. The aggregate is the least interesting number in that sentence, and the latency figure means less than it looks like.
How retrieved source identity, bounded context construction, citation validation, and evaluation turn RAG citations into testable system behavior.