Ether Data · Spatio-temporal intelligence
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temporal
Postal boundary changes
temporal
ZIP/ZCTA definitions drift between vintages.
Detection
ZCTA vintage mismatch.
Mitigation
Pin vintage
Prefer point-set semantics where ZIP is not a polygon
Affected conversions
Admin polygons → H3 (weighted crosswalk)
weighted
Ether Data · Spatio-temporal intelligenceEther Data · Spatio-temporal intelligence