The Prompt & The Ponder

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The Prompt & The Ponder

Tech insights, life reflections, and the occasional existential tangent.

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The Rest of the Crate: Tempo, Key, and Never Stranding a File

June 23, 2026

·open-source·audio-ml·local-first

The Rest of the Crate: Tempo, Key, and Never Stranding a File

Part 2 of building cratemind: the unglamorous 80%, tempo that lies by an octave, key from 1990s music theory, and a downloader that never quietly loses a track.

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Your Music Has No Genre: Reading It Off the Waveform

Spotify deleted the BPM API and underground techno has no genre tag anywhere, so I stopped looking the genre up and started computing it from the audio.

June 15, 2026

·audio-mllocal-first

Your Coding Agent Has Amnesia: It's the Harness, Not the Model

The same model behaves like a genius on small tasks and a goldfish on big ones. The bottleneck isn't intelligence. It's memory, and memory lives in the harness.

June 09, 2026

·coding-agentsllm

Memory as Polynomial Projection: The Mathematics of Long-Context Predictive Modeling

HiPPO's polynomial-projection idea is the through-line from S4 to Mamba-3 to HiSS. And it argues that long-context LLMs and long-context prediction are not the same problem.

May 19, 2026

·deep-learningmamba

Energy-Based Transformers: The 1982 Architecture Finally Got Compatible Training Tricks

An EBM finally crossed 800M parameters without collapsing. Nobody has independently reproduced the 35% scaling claim. Both halves matter.

May 07, 2026

·deep-learningai-architecture

The Open Source AI Lie: Weight-Washing, Broken Definitions, and Who Benefits

No major AI model meets the open source definition. Here's who's faking it, who benefits, and why the strongest argument against caring is uncomfortably real.

April 08, 2026

·open-sourceai

Written by Serendeep Rudraraju — navigating the intersection of technology and humanity.

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