SOURCE EXPLORER / PROVENANCE FIRST
GEBCO 2026 Grid
Relief baseline. Terrain is visualised as an explanatory layer, not a surveyed boundary.
OPEN ELEVATION DATASET
GEBCO Compilation Group
Used as a contextual evidence source in the France / China pilot. Trust is assessed for the claim role, not granted as a universal score.
Open source ↗Public labelMAXIMUM TRUST
Last reviewed10 Sep 2026
Published claims1 linked
Known limitationRelief baseline. Terrain is visualised as an explanatory layer, not a surveyed boundary.