ET-band dimensional thaw mock data challenge v1

Download the blind challenge pack (100 datasets, configs, PI curve). See README.md.

• challenge_config.json
• frequency_grid.csv
• pi_curve.csv
• metadata/dataset_manifest.csv
• metadata/public_parameter_card.json
• examples/sample_submission.csv
• datasets/ (dataset_001.csv … dataset_100.csv)