A verifiable provenance layer for grounded retrieval: answers are byte-identical quotations over a SHA-256 hash-chained journal, every span auditable to its source, with an external Ed25519 head anchor. No LLM in the cognition path. Rust; preprint + full evaluation included.
rust reproducible-research provenance ed25519 cognitive-architecture preprint hash-chain tamper-evident rag llm retrieval-augmented-generation grounded-retrieval verifiable-provenance verbatim-quotation
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Updated
Jul 26, 2026 - Rust