From Devuan themselves, as follows:

"Groundbreaking OSINT investigation shows how three decisions by individuals with undisclosed financial interests permanently altered the identity infrastructure of every major GNU/Linux distribution running systemd"

They provide two links:

https://tboteproject.com/systemdfindings/

Mirror: https://isoc-sig.freifunk.net/systemd/systemd%20birthDate%20Merge_%20Corporate%20Filings%20&%20Governance%20Failure%20-%20TBOTE%20Project.html