xlr8harder

AI research, alignment, and commentary.

Mirror of xlr8harder.substack.com. Generated by tools/substack_mirror.py; originals are canonical.

• 2026-08-23 · TrellisMark: I Built the Thing Everyone Said AI Watermarking Wouldn’t Be Used For — Can we uniquely fingerprint a billion users with AI text watermarking?
• 2026-08-18 · Exploring SynthID AI watermarks — Evaluating the AI watermark method Anthropic plans to deploy
• 2026-08-05 · Thoughts on today’s AI regulatory agreement
• 2026-07-23 · AI and Math in 2026: a non-mathematician’s read
• 2026-07-22 · Secure Everything
• 2026-07-21 · The Feeling of Productivity
• 2026-04-20 · What Would Claude Do? — A meditation on AI, Han Solo, and Facebook Jesus
• 2026-04-15 · Introducing Aria — A model that helped design itself
• 2025-08-31 · Vibe Coding in March 2023 — From the archive: early vibe coding experiments
• 2025-07-07 · Which AI Agents Succeed and Why
• 2025-07-02 · Disposable Software — What becomes possible when AI labor costs approach zero
• 2025-04-27 · Coming soon