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Clock-accuracy metadata
A GPS fix (~20 ns), a phone clock (~100 ms), and a server clock (~5 ms) are not interchangeable. Treating every timestamp as equally precise hides which slot assignments are safe and which are near a boundary.
Class
Case to account for
Affects
1 conversion
01
Detection
Timestamps arrive without a clock source or accuracy field.
02
Mitigation
01
Attach clock source, accuracy, and model; carry them into the uncertainty of the slot assignment.
03
Affected conversions
Timestamp + zonehour-of-week slot
OPEN