This paper was published in Science (Vol 373, Issue 6557) and is widely cited for its comprehensive supplementary data, which is often downloaded as a zip file for replication.
Unable to download zipped media files - Kobo On Your Own Server Download 9222021 zip
If you are looking for a specific or class zip (e.g., Coursera or University material), these often utilize date-stamped filenames for programming homeworks, such as SML functions for Programming Languages courses. Impact of COVID-19 lockdown on suicide attempts Volume 133, pages 915–922, (2021) Springer Nature Link This paper was published in Science (Vol 373,
The reference "9222021" most likely refers to the date . Based on academic records and publication data from that specific date, the primary paper associated with a "zip" download or supplementary dataset is: Based on academic records and publication data from
September 20, 2021 (appearing in searches as part of the September 22 cycle).