Dear COVID-19 Cell Atlas maintainer, I downloaded haniffa21.processed.h5ad from you website twice as follows $ wget https://covid19.cog.sanger.ac.uk/submissions/release1/haniffa21.processed.h5... ) And both times $ md5sum haniffa21.processed.h5ad gave me add2501947c585ea6b6ef7429e4bd9f2 haniffa21.processed.h5ad while you provide md5 checksum 42ad74a77fc289b77cfedb7b287f7e23 Since all other files of COVID-19 PBMC Ncl-Cambridge-UCL release 1.0 matched your md5 checksums perfectly, I suspect you provide wrong checksum for haniffa21.processed.h5ad Best Regards, Daniil Sarkisyan, Bioinformatician Department of Immunology, genetics and pathology, BMC B11:406b mobile: +46 70 885 9883, email: daniil.sarkisyan@igp.uu.se När du har kontakt med oss på Uppsala universitet med e-post så innebär det att vi behandlar dina personuppgifter. För att läsa mer om hur vi gör det kan du läsa här: https://urldefense.proofpoint.com/v2/url?u=http-3A__www.uu.se_om-2Duu_dataskydd-2Dpersonuppgifter_&d=DwIFAw&c=D7ByGjS34AllFgecYw0iC6Zq7qlm8uclZFI0SqQnqBo&r=YCVDjNHxAgv8-gpjr0Xb48Y9Vk9U8oXzH6wskU6pf14&m=9_r5yes_zrJk0tZamXpQuMHRKmcnajQa0Xrg8WiP1LU&s=r47iaLdVBoZWtlPHLtz2DphB1AiprjNuP_hhh6o_Upw&e= E-mailing Uppsala University means that we will process your personal data. For more information on how this is performed, please read here: https://urldefense.proofpoint.com/v2/url?u=http-3A__www.uu.se_en_about-2Duu_data-2Dprotection-2Dpolicy&d=DwIFAw&c=D7ByGjS34AllFgecYw0iC6Zq7qlm8uclZFI0SqQnqBo&r=YCVDjNHxAgv8-gpjr0Xb48Y9Vk9U8oXzH6wskU6pf14&m=9_r5yes_zrJk0tZamXpQuMHRKmcnajQa0Xrg8WiP1LU&s=Y8JCg4aHNaNPZlf-lUDuC9jVKBgbZwVZ8KqjDb3LLiU&e=