1. General principles
The journal provides long-term storage and unhindered access to all published materials in open access mode. Archiving is part of the publication's sustainability policy and ensures that scientific results are preserved for future generations of researchers.
2. Repositories and storage systems
- All electronic versions of the journal are stored on the official website of the publication with free access.
- For long-term storage, copies of issues are transferred to:
- Scientific periodicals of Ukraine V. I. Vernadsky National Library of Ukraine;
- Institutional repository of Lviv Polytechnic National University.
- Each article is provided with a unique DOI identifier, which guarantees a permanent link.
3. Technical means and storage formats
- Archive files of the journal are stored in several formats (PDF/A for long-term preservation, HTML for web access).
- The server infrastructure has a regular backup system (on-site and off-site).
- Reliable server mirroring and data integrity verification technologies are used.
4. Accessibility guarantees
- The journal adheres to an open access policy: all articles are available free of charge without any restrictions on time or number of downloads.
- In the case of the journal's termination, all archival materials remain publicly available through institutional and international repositories.
- The journal guarantees that metadata and full texts of articles will be indexed in well-known bibliographic databases and open access aggregators (Directory of Open Access Journals, Google Scholar, etc.).