Name of config file of image OCI

[josedom24]

Why is the name of the image configuration file base64 encoded in the overlay-images directory, where we store OCI image metainformation?

[root@podman d7af31210b288164c319bae740ca1281528390a3c5cee657e95f243670b49e6a]# ls
'=bWFuaWZlc3Qtc2hhMjU2OjhkYzYwODZhZjgzZjkxYmNiZDI4NzM4YTU2NjViNWVmZGY2NjY2NDI2YTBmOTY0ZTY5NjQ2MDgxMWEyNGI3Mzk='   manifest
'=c2hhMjU2OmQ3YWYzMTIxMGIyODgxNjRjMzE5YmFlNzQwY2ExMjgxNTI4MzkwYTNjNWNlZTY1N2U5NWYyNDM2NzBiNDllNmE='

Thanks!!!