At the time of writing it has been worked out under the responsability of the DM WG by the IVOA provenance data model author team.

Hence the ProvTAP internal draft, the ProvTAP TAP schema and a VOTable dump of a prototype service operated by CDS (ProvHiPS) has been stored on the DM WG pages (https://wiki.ivoa.net/twiki/bin/view/IVOA/ObservationProvenanceDataModel).

ProvTAP Internal draft : https://wiki.ivoa.net/internal/IVOA/ObservationProvenanceDataModel/ProvTAP.pdf

ProvTAP TAP schema : https://wiki.ivoa.net/internal/IVOA/ObservationProvenanceDataModel/ProvTAP-schema.xml

ProvTAP VOTable dump example : https://wiki.ivoa.net/internal/IVOA/ObservationProvenanceDataModel/ProvHiPS.xml

-- FrancoisBonnarel - 2020-05-07: The text above has been written in October 2019. After the end of the ProvDM recommendation process a serious revision is going on among authors.

A Working draft will be soon published