Data

WorldCal applies CC BY 4.0 to its original annotations, metadata, organization, documentation, and other author-created portions of this release. Generated model outputs are redistributed for research, reproducibility, and audit; WorldCal does not assert additional copyright ownership over third-party model outputs beyond rights it may hold under applicable provider terms. This is publication guidance, not legal advice. Analysis and replication code: github.com/kurtmb/worldcal-research (tag paper-2026-08).

• Primary balanced (16,000) JSONL
• Primary balanced CSV
• All-collected official main (19,736)
• Calibration (3,200)
• Positive controls (320)
• Official prompts (26)
• Data dictionary
• License notice
• SHA256SUMS

Positive controls are a detector check. Calibration is the strict American Community Survey (ACS)-matched arm. Headline prevalence uses main adult prompts only.