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ec75hash/README.md

Jeffrey W. Shorthill

I started studying mechanistic interpretability in 2026. I’m pursuing it full time, focusing on how faithfully interpretability tools reflect model internals. My work covers model weight structure, MoE routing, and Jacobian lenses. I also work as a full-stack developer for a nonprofit.

This account hosts my research releases. My earlier research and software projects are on my other account.

Latest release: Repeated blocks in Qwen-family checkpoints—a reproducible weight audit of 33 Qwen and Qwen-derived checkpoints, ranging from 0.6B to 2.4T, plus SOLAR as a calibration.

Qwen3.6-27B and J++ readout check · Hugging Face

Self-funded, with no institutional affiliation.

Popular repositories Loading

  1. moe-routing moe-routing Public

    E114 paper (v1.4.0, July 2026) with an October 2026 status note: a register-selective expert in Qwen3.5-35B-A3B, later found to be one of several genre experts and to sit on a repeated block

    TeX 7 1

  2. MindVolume MindVolume Public

    Explorable 3D map of what a language model was 'thinking' while it answered — Jacobian-lens readouts of Qwen3.6-27B, native Metal + web viewers

    Swift 1

  3. minds_paper minds_paper Public

    TeX

  4. gemma-steering-bot gemma-steering-bot Public

    🍳 Gemma's Test Kitchen — click a "vibe" to live-steer gemma-3-4b-it with GemmaScope SAE features, right in your browser. A beginner-friendly + power-user playground for SAE feature steering; no mec…

    Python

  5. JVolume JVolume Public

    An explorable map of what a language model was "thinking" while it answered — Jacobian-lens readouts rendered as a flyable 3D field

    Swift

  6. dsv4-flash-planted-answer dsv4-flash-planted-answer Public

    Does a model know when its answer was prefilled? DeepSeek V4 Flash, preregistered planted-answer trials + Jacobian-lens readouts. MATS 12.0 application.

    Python