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Meta acknowledges LibGen-related files were deleted at an engineer's request to free storage, and that a colleague suggested renaming the LibGen data
Opposing a request for more discovery, Meta's lawyers respond to the authors' account of documents produced in 2026. Meta says files "were deleted at the request of" one of its engineers to free up storage space, and that they appear to relate to a former researcher's work on LibGen in March 2023. The authors say this was 9 terabytes of torrented LibGen data, deleted in July 2023 after the suit was filed and disclosed in January 2026; Meta says the deletion had nothing to do with the case. Meta also confirms a chat in which a colleague in its Paris office suggests that the researcher rename LibGen to another name. Arguing that certain 2022 downloads were not torrenting, Meta says their upload ratio was 0.2%, against 10% or more during periods of suspected torrenting. Meta says it has added custodians and produced hundreds of gigabytes of logs. Meta's statements are its lawyers', and the court has made no finding about the deletion.
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