HIGH-RELIABILITY PRODUCT/ACTIVITY TRACKING SYSTEM

Disclosed herein is a tracking system (10; 10') configured to track a product and/or an activity. The tracking system (10; 10') comprises a tracing device (11) and a verification server (12). The tracing device (11) is coupled with the verification server (12) by means of communication means (13) configured to allow exchange of data between the tracing device (11) and the verification server (12). The tracing device (11) is coupled with a first satellite localization receiver which is configured to receive signals from a satellite localization system, process the received signals to obtain satellite localization observables, and compute locations based on the satellite localization observables. The tracing device (11) is configured to acquire from the first satellite localization receiver positioning data (21; 31). The positioning data (21; 31) comprise a location computed by the first satellite localization receiver, and a location time which represents time and data at which the location is computed by the first satellite localization receiver. The positioning data (21; 31) are related to a product and/or an activity to be tracked. The tracing device (11) is further configured to select a satellite localization observable based on which the location is computed by the first satellite localization receiver, and to acquire from the satellite localization receiver the selected satellite localization observable. The tracing device (11) is further configured to provide the verification server (12) with the positioning data (21; 31) and the satellite localization observable acquired from the satellite localization receiver. Moreover, the verification server (12), in turn, is configured to perform a location consistency check based on the location comprised in the positioning data (21; 31) provided by the tracing device (11), and on the satellite localization observable provided by the tracing device (11). The verification server (12) is further configured to generate a validation code (23; 33) on the basis of an outcome of the location consistency check, and on the basis of the positioning data (21; 31) provided by the tracing device (11). The verification server is further configured to provide the tracing device (11) with the generated validation code (23; 33). Furthermore, the tracing device (11) is further configured to store the positioning data (21; 31) and the validation code (23; 33) provided by the verification server (12) on tracking means (50) assoc