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This is the first end-to-end pipeline demonstrating EarthCARE Level-2 \342\206\222 HEALPix DGGS conversion on the WGS84 ellipsoid. We therefore classify the study as a Replication (new evidence produced) rather than a Reproduction (re-running prior code), following FORRT terminology. 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Released as v0.1.0 on GitHub and archived on Zenodo (10.5281/zenodo.19709327). 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