Sparse Spatial Hash Grids: Efficient N-Dimensional Spatial IndexingA C++20 sparse spatial hash grid for N-dimensional spatial indexing with O(1) insertions, O(k) neighbor queries, and 60,000x memory reduction over denMay 5, 2026·7 min read
Posthumous: A Federated Dead Man's SwitchA walkthrough of Posthumous, a self-hosted dead man's switch that monitors periodic check-ins via TOTP, progresses through escalating alert stages, anApr 10, 2026·6 min read
Intelligence is a Shape, Not a ScalarChollet says the intelligence ball is near-optimal. NFL says the bound is niche-specific. The bottleneck that makes us smart is the same bottleneck thApr 10, 2026·11 min read
I Spent $0.48 to Find Out When MCTS Actually Works for LLM ReasoningControlled experiments on constraint satisfaction problems. MCTS beats best-of-N only when blind sampling hits a ceiling and the verifier provides a gApr 10, 2026·6 min read
The MCP Pattern: SQLite as the AI-Queryable CacheEvery data silo follows the same architecture: domain files as ground truth, SQLite + FTS5 as a read-only cache, MCP as the query interface. After buiMar 20, 2026·6 min read
Code Without PurposeThe problem isn't too much code. It's code without purpose.Feb 25, 2026·5 min read
pagevault: Hiding an Encryption Platform Inside HTMLpagevault turns any file into a self-contained encrypted HTML page. No backend, no JavaScript libraries. Just AES-256-GCM and the browser's Web CryptoFeb 24, 2026·1 min read