Maybe the solution is simpler than you think. For example the proposed blockchain solution seems like an overkill. How about every package that's available through nimble is forked under an org? The author doesn't have permission to modify tags. That would solve the issue with deleted repos. <https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/managing-repository-settings/configuring-tag-protection-rules>
- Atlas -- the package cloner Araq
- Atlas -- the package cloner arnetheduck
- Atlas -- the package cloner Araq
- Atlas -- the package cloner Araq
- Atlas -- the package cloner planetis
- Atlas -- the package cloner arnetheduck
- Atlas -- the package cloner Araq
- Atlas -- the package cloner planetis
- Atlas -- the package cloner xigoi
- Atlas -- the package cloner Araq
- Atlas -- the package cloner arnetheduck
- Atlas -- the package cloner arnetheduck
- Atlas -- the package cloner Araq
- Atlas -- the package cloner EyeCon
- Atlas -- the package cloner Araq