Mset-based process for certifying provenance of time-series data in a time-series database

A non-transitory, computer-readable storage medium storing instructions that when executed by a computer cause the computer to perform a method for certifying provenance of time-series data in a time-series database, comprising:

• retrieving time-series data from the time-series database, wherein the time-series data comprises a sequence of observations comprising sensor readings for each signal in a set of signals;
• retrieving multivariate state estimation technique (MSET) estimates, which were computed for the time-series data, from the time-series database;
• performing a reverse MSET computation to produce reconstituted time-series data from the MSET estimates;
• comparing the reconstituted time-series data with the time-series data;
• and
• when the reconstituted time-series data matches the original time-series data, certifying provenance for the time-series data.

A system that certifies provenance of time-series data in a time-series database, comprising:

• at least one processor and at least one associated memory;
• and
• a provenance-certification mechanism that executes on the at least one processor, wherein during operation, the provenance-certification mechanism:
• retrieves time-series data from the time-series database, wherein the time-series data comprises a sequence of observations comprising sensor readings for each signal in a set of signals;
• retrieves multivariate state estimation technique (MSET) estimates, which were computed for the time-series data, from the time-series database;
• performs a reverse MSET computation to produce reconstituted time-series data from the MSET estimates;
• compares the reconstituted time-series data with the time-series data;
• and
• when the reconstituted time-series data matches the original time-series data, certifies provenance for the time-series data.