Apparently there will be a new, June, published national Footpath map and if the ones you use are not listed then they cease to be so acknowledged. Apparently it takes 20 years for a footpath to become established. The only sources I've found for the means by which the public can make submission or inquiries are as follows:
Hampshire Rights of Way online provides an interactive map to identify paths. Please make your own further inquiries and let us know via our Contact Form if there is a better contact method.