Anthropologies, whether local or fundamental, suffer from problems of fragmentation or foundation that make it difficult for them to propose answers concerning the origins of technique and semiotics, even though both are essential markers of the differences between Homo and all other animals. In an attempt to provide answers, this article proposes to adopt an anthropogenic approach on the « long time » and to look at the way in which Homo has been constituted, darwinianally, as a techno-semiotic animal, over the last two million years. The choice of the « long time » of course calls for referentials that allow us to free ourselves from particular periods, civilisations and situations. Thus, for example, in this article, we have been interested in the geometry (topology) of Homo's body which, unlike that of other animals, is particularly segmenting, tranversalizing and panoplic. These three topological characteristics of Homo's body would have made him particularly apt to become a technical animal, at least if we consider that technique begins with instruments, already known to animals, but that later Homo would have articulated them into panoplies and protocols, unknown to animals. Now organised in 'toolboxes', these instruments would have become 'tools' and the starting point of technique. In a similar way, the segmentarising body of Homo would also have been conducive to the emergence of the sign, defined anthropogenically as a segment of the Universe which, through various links, thematises other segments of the Universe, in a pure manner, without operational charges. A finger, a thematizing segment, pointing to an object, a thematized segment, is already a sign. Such an anthropogenic approach, over the long time, apparently makes it possible to propose common origins for technique and semiotics, here for example on the basis of notions such as the segment, the panoply, and the protocol, which are valid over several million years. But, beyond the conclusions of this article, it is probably the choice of referentials independent of periods, civilisations and particular situations that is most likely to stimulate all researchers interested in the human sciences and Homo's achievements in all fields. Most of this article is inspired by the book ANTHROPOGENY, by the philosopher Henri VAN LIER (1921 - 2009), and almost all of his texts on general anthropogeny and local anthropogenies are available on the website http://www.anthropogenie.com/