Technical notes

Work explained far enough to be questioned.

A curated index of architecture notes, theory chapters, experiment reports, and engineering contracts already maintained with their source projects. This is not a publication list or a posting schedule.

RAGdoll · Architecture note

Architecture and trust boundaries

How provider, scholarly-source, storage, evidence, and terminal boundaries preserve user control and keep model output outside domain logic until validation succeeds.

  • System architecture
  • Trust boundaries
  • Pydantic
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RAGdoll · Product contract

Evidence and cited dossiers

The distinction between metadata, abstracts, acquired full text, page-aware passages, and the citations that support synthesized claims.

  • Research provenance
  • Citations
  • Human approval
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smaLLM · Theory handbook

From tensors to a GPT

A zero-prerequisite path through tensors, probability, tokenization, autograd, causal attention, the decoder-only Transformer, training, evaluation, and the source implementation.

  • Language models
  • PyTorch
  • Causal attention
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smaLLM · Experiment report

Final capacity-controlled tokenizer panel

The preregistered final comparison of boundary-aware ByteBPE512 and matched character controls, including every seed, corpus, checkpoint identity, reversal, and limitation.

  • Experiment design
  • Tokenization
  • Sealed evaluation
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insIGht · Engineering note

Privacy by design for local archive analytics

Why official exports, local persistence, bounded archive parsing, no telemetry, and explicit limitations are product behavior rather than implementation details.

  • Local-first
  • Privacy
  • Defensive parsing
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AudioLab · System design

Hardware, firmware, and host boundaries

The repository contract separating an implemented TLV320AIC3104 daughterboard, STM32 firmware, host tooling, specifications, and future verification work.

  • Embedded systems
  • Audio DSP
  • Hardware interfaces
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