They address different layers of the problem.
Universal Basic Income
Provides an unconditional income floor regardless of employment, productivity or ownership of productive assets.
Human Capital .+
Tries to keep the worker connected to technological productivity through personal ownership, shared gain and durable Time+.
Human Capital .+ tries to prevent productive technology from disconnecting people from the value of their work in the first place.
Share the gain before redistribution is required.
One common AI-displacement path is automation → fewer human hours purchased → lower wage income → public redistribution. Human Capital .+ explores another path: automation → worker-owned augmentation → verified productivity gain → shared dividend → stable income plus less required human work.
This is closer to pre-distribution than redistribution: it changes who retains value at the point it is created rather than relying only on taxes and transfers afterward.
A productive-capital model is not a universal safety net.
Human Capital .+ does not automatically provide income to people who cannot work, people between jobs, caregivers, people in poorly augmentable roles, young people who have not yet accumulated professional capital, or anyone whose + fails to create sustainable value.
A mature + could begin to resemble income from accumulated capital.
Late in a career, a mature augmentation might create enough value that the person's required human participation falls substantially while income remains supported by the combined capability. That can look superficially like a personal basic income, but the source is different: it is earned productive capital rather than a universal public transfer.
If the second term grows over decades, the person could gradually rely less on selling human hours. That is closer to a personal capital dividend than to UBI.
Who should own the productive capability created with AI?
UBI discussions often begin after ownership has already been decided: automation assets produce concentrated gains, and society debates how much should be redistributed. Human Capital .+ moves the ownership question earlier.
That does not end the redistribution debate. It changes its starting conditions.