Stories by j-e-k

A detailed, layer-by-layer teardown of the mobile phone and its history

Librrd Playground

A Controlled Study of Attention-Only Transformers

Three-Body Scattering for Generative Modeling

N8n-rustful-operator – a Kubernetes operator in Rust that runs n8n from CRDs

Substack Gateway – A REST and MCP Server for Substack

Proof of Fermat Last Theorem from Scratch

99% on ARC-AGI 3 (public eval, with harness)

Audio Transport: A Generalized Portamento via Optimal Transport

Video Generation Models Are General-Purpose Vision Learners

A litmus test for the utility of AI features

Universal Learning of Nonlinear Dynamics

Learning-to-Optimize via Deep Unfolded Flows

OpenAI GPT-5.6 livestream today at 10am PT

A Theory of Contrastive Learning with Natural Images

Cursorbench: Grok 4.5 better than GPT-5.5, at ~half the cost

Lingbot Vision

Zero-Flow Encoders

UK plans to give established media more visibility on YouTube

Show HN: Cpcp – A smarter pbcopy for macOS that strips ANSI and newlines

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