Which elements of the Open Source Definition does SQLite fail to meet?
[1]: https://github.com/sqlite/sqlite/blob/master/LICENSE.md [2]: https://opensource.org/blog/public-domain-is-not-open-source
This is a silly game and there is nothing to be gained from playing it, for anyone.
https://wiki.debian.org/DFSGLicenses#Public_Domain
As they mention here, it is theoretically possible that code dedicated to the public domain might still be encumbered in a way that makes it not open source: "we are unaware of a case where a jurisdiction has upheld a copyright claim to a work which has been dedicated to the public domain everywhere".