Digi-PPPiP v1.0.0

DigiPPPiP: Digital Partner Pen Play in Parallel — v1.0.0

DOI: 10.5281/zenodo.21815704 (concept) / 10.5281/zenodo.21815705 (version)
Zenodo record: https://zenodo.org/records/21815705

Includes the interactive web-canvas instantiation, its four screenshot
figures, a symbolic cover page, and a real reserved Zenodo DOI.