Archiving and Long-Term Preservation Policy

  1. General Principles

The journal ensures long-term preservation and uninterrupted open-access availability of all published materials. Archiving is an integral component of the journal’s sustainability strategy and guarantees the preservation of scientific results for future generations of researchers.

  1. Repositories and Preservation Systems

All electronic versions of the journal are hosted on the journal’s official website with free and unrestricted access.

For long-term preservation, copies of issues are deposited with:

For long-term preservation, copies of issues are deposited with:

– the National Repository of Academic Texts of Ukraine (e-Repository NLU / URIS);

– the Institutional Repository of Lviv Polytechnic National University;

– Each paper is assigned a unique DOI to ensure a persistent, citable link.

  1. Technical Measures and Preservation Formats

Archival journal files are maintained in multiple formats, including PDF for long-term preservation, XML/JATS for metadata, and HTML for web delivery.

The server infrastructure is supported by regular backup routines (both on-site and off-site) to ensure operational resilience.

Robust mirroring and data integrity controls are implemented, including checksum-based verification.

  1. Accessibility Assurances

The journal adheres to an Open Access policy; all articles are available free of charge, without time limits or download restrictions.

In the event of journal discontinuation, all archived materials remain openly accessible via institutional and national repositories.

The journal ensures that article metadata and full texts are discoverable and indexed through leading bibliographic databases and open-access aggregators (e.g., the Directory of Open Access Journals (DOAJ), Google Scholar, OpenAIRE).

  1. Alignment with International Standards

The journal’s archiving and preservation framework aligns with the principles of the PKP Preservation Network (PKP PN), DOAJ Best Practices, and the recommendations of the Open Access Scholarly Publishers Association (OASPA).