Find My network may extend to future Apple Pencil, if research pans out - General Discussion Discussions on AppleInsider Forums
Locating a lost Apple Pencil may be possible in the future thanks to recent Apple research on incorporating acoustic resonators within the stylus -- but it would have to be very close to the owner to work.
Jere Charles Harrison Mia Shin Sedat Pala Trademark Office Apple Pencil Haptic Hardware Design Engineer
Source: appleinsider.com