Latest Blog
What Is an Egress Allowlist, and What Data Paths Does It Not Control?
Decode destination enforcement, DNS and IP rules, proxies, approved-channel leakage, local and removable paths, side channels, and layered controls.
What Is a Capability Token, and How Does It Limit a Home AI Agent?
Decode capability authority, attenuation, delegation, identity differences, expiry, revocation, confused-deputy risks, and tests for home AI tools.
What Is Snapshot Consistency, and Why Must Models and Indexes Share a Restore Point?
Decode crash, application, and coordinated consistency; restore points; model-index provenance; in-flight writes; and validation for private AI recovery.
What Is a Write-Ahead Log, and Why Does an AI Index Need One?
Decode log-first ordering, commit and sync semantics, replay, checkpoints, idempotency, corruption limits, and why mutable AI indexes need recovery records.
What Is Content-Defined Chunking, and Why Does It Matter for NAS Backups?
Decode rolling fingerprints, boundary masks, deduplication, minimum and maximum sizes, metadata cost, encryption limits, and NAS restore tradeoffs.
What Is Vector Index Segment Merging, and When Does It Change Query Performance?
Decode immutable segments, delete tombstones, merge policies, cache effects, write amplification, recall, and query-latency changes in vector indexes.
What Is Citation Span Alignment, and Why Does It Matter for RAG Evidence?
Decode claim segmentation, evidence spans, entailment, page coordinates, citation correctness, coverage, and failure cases in private RAG.
What Is Late-Interaction Retrieval, and How Is It Different From Single-Vector Search?
Decode token vectors, MaxSim scoring, storage and latency costs, first-stage retrieval, compression, and when late interaction helps private search.
