Versioned SQLite database catalog for the Earth Hologenome Initiative ToolKit (EHItk). This record contains the standalone EHItk database file used by the matching EHItk software release. The database provides curated metadata for Earth Hologenome Initiative specimens, hologenomes, and metagenome-assembled genomes, enabling reproducible queries, summaries, exports, and download workflows through the EHItk command-line interface and Python API. The release includes: - `ehitk-database-.sqlite`: SQLite database catalog- `ehitk-database-.sqlite.sha256`: SHA256 checksum for file integrity verification This database corresponds to EHItk version ``. Users can query this exact catalog by passing the SQLite file to EHItk with `--db` or by opening it through the Python API: ```pythonimport ehitk with ehitk.Database("ehitk-database-.sqlite") as db: records = db.hologenomes.query(limit=10)