1. Introduction
2. Survey Definition and Data Acquisition
2.1. The Observatorio Astrofísico de Javalambre (OAJ)
2.2. The JPAS Pathfinder Camera
2.3. The J-PAS Filter System
2.4. miniJPAS Observations
3. The J-PAS Pipeline and Data Management
3.1. Processing of Single Frames
3.2. Final Coadded Images
3.3. PSF Treatment
3.4. Photometry
3.5. Photometric Calibration
3.6. Masks
4. The miniJPAS Data Set and Data Access
4.1. Data Products
4.2. Value-Added Catalogues
4.3. Data Access
5. Data Quality
5.1. Homogeneity Across the Footprint
5.2. Comparison with Other Surveys
5.3. miniJPAS Completeness
5.4. Number Counts
5.5. Caveats and Known Problems
6. A Foretaste of J-PAS Science
6.1. Galactic Science
6.2. Galaxy Evolution Studies
6.3. Large Scale Structure
6.4. Galaxy Clusters
6.5. Lensing
7. Summary and Conclusions