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Introducing PageIndex File System: the vectorless retrieval engine now scales to millions of documents in a single index.
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PageIndex was recognized on the Open Source Growth Index (OSSCAR) Q1 2026 by Supabase × Commit VC, ranking #14 in GitHub Star Growth and #38 Overall in the Scaling Tier.- Published on
We built what Andrej Karpathy described, and solved the hard part. OpenKB is an open-source CLI that compiles raw documents into a structured, interlinked wiki, powered by PageIndex for long PDFs.- Published on
PageIndex has been selected for GitHub's Secure Open Source Fund, supporting a broader security roadmap for long-document AI infrastructure.- Published on
We argue that context blindness — the inability of vector-based retrieval to condition on full conversational and reasoning context — is the most fundamental limitation of vector RAG, and outline a paradigm shift from semantic similarity to context-dependent relevance classification.