Portable Document Spear Jun 2026

A spear has a shaft that connects the point to the thrower. In a PDS, the "shaft" is an immutable blockchain ledger attached to every file. You can see who created the spear, when it was thrown, who has thrown it (forwarded it), and whether the point has been "lodged" (acknowledged or acted upon). There is no passive "read receipt." There is only "impact confirmation."

Use cases

Elara’s document—a single, beautifully calligraphed sheet of heavy calfskin vellum—was loaded into the Spear’s firing carriage. Kaelen planted his feet, unlocked the brass latches, and let the segments slide out. Clink-clink-clink.

Among our clients
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 salesforce.com, inc.  
 MailChimp  
 Dailymotion SA  
 Allegro  
 Oracle  
 PayPal Holdings, Inc.