The Human–AI Ledger (HAIL) defines a structured, repeatable workflow for human–AI collaboration. Through standardized checkpoints and a session ledger, HAIL documents ethical, creative, and procedural context across both human and AI contributions. While AI-generated outputs are inherently non-deterministic, HAIL supports process reproducibility by providing a consistent framework for recording collaboration, facilitating auditability, transparency, and ethical accountability in co-creative AI ...