Build log
How we build spectral intelligence.
Notes on systems, algorithms, and the engineering choices behind ArrowSpace. Written for the teams shipping embedding-heavy software in production.
Featured · First Principles
Genefold First Principles: Depletion of Uncertainty
Entropy is the irreducible uncertainty of the source. Cross-entropy is the mathematical structure that measures how close the model's distribution is to the truth. Training depletes the gap — the KL divergence.
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Algorithms
Designing ArrowSpace and graph wiring
How graph wiring in the feature-space Laplacian powers spectral indexing for vector retrieval, and what the experimental evidence shows on CVE and TREC-COVID.