A CNXT 1-of-1 edition of Verein zur Förderung und Betreibung eines Mathematikmuseums (Science-Centers) in Gießen e.V., a real GLEIF Legal Entity Identifier (LEI) Golden Copy record (LEI 391200B33FTYPPJQ7K10). Identity is verbatim from the source registry; the web+usd:// address doubles as the edition's settlement rail — reserved until minted.
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