Perovskite Database — historical snapshot (43,398 records × 410 columns) used in Topçam M.Sc. thesis

This record permanently archives the historical snapshot of the Perovskite Database used in the M.Sc. thesis of İsmail Topçam (İzmir Kâtip Çelebi University, 2026). Contents: Perovskite_database_content_all_data.csv — 43,398 records × 410 columns. SHA-256: da66a634e9106e58ce4d012558d468bc2f19b95987f149fb9c5d208d363ea67a. Original data: The Perovskite Database Project — Jacobsson, T. J., et al. (2022), "An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles", Nature Energy 7, 107-115, https://doi.org/10.1038/s41560-021-00941-3. Current access to the living database is provided via the NOMAD platform. License: CC BY 4.0 (same as the original data; please cite the article above when using the data). The snapshot is redistributed unchanged, solely to guarantee permanent accessibility of the exact data version used by the thesis computations. Related pipeline: https://github.com/ismailtopcam/perovskite-pce-ml-thesis (archived as v0.3.4, DOI 10.5281/zenodo.21639239; concept DOI 10.5281/zenodo.20829027). A per-DOI row-count manifest of this snapshot is available in the pipeline repository (outputs/robustness/ham_veri_doi_manifesti.csv).