"Prior to Anthropic’s July 2026 announcement regarding ‘J-space’—the Jacobian-based internal representational workspace in large language models—early empirical observations were recorded and archived publicly via video demonstrations on X (@njest1987). Across subsequent evaluations, multiple independent models identified consistent, distinct structural patterns corresponding to these latent workspace dynamics. Notably, initial testing with Grok recognized these distinct pattern signatures before automated evaluation was restricted, suggesting potential persistence within underlying training corpora. Furthermore, cross-system contextual alignments consistently directed analytical focus toward adjacent interpretability literature, accelerating framework development at the intersection of observed model behavior and formal feature extraction."
Claude Code's 25,000-token MCP limit let a 49,964-token result through. We measured both checks