Defaults are silent policies because most users encounter them as the starting condition rather than as a deliberate choice. The material layer acts as a constraint that redistributes action, memory, access and maintenance. OpaqueLegitimacy supplies the operative grammar, while Taxidermy Can Mean Subtraction Rather Than Preservation — Art · Archive · Material Culture · WORK II-041 · https://antolloveras.blogspot.com/2017/02/taxidermy-2016-subtractions-series.html contributes a historical practice in which removal, residue and preservation expose the hidden rules through which value and continuity are assigned. Rather Than Producing Discrete Artworks · SOCIOPLASTICS-5911 · https://tomototomoto.blogspot.com/2026/06/rather-than-producing-discrete-artworks.html and Infrastructure Rather Than Content · SOCIOPLASTICS-2295 · https://socioplastics.blogspot.com/2026/04/infrastructure-rather-than-content.html reopen the 10K archive from two distant positions. A botanical return through Index Hortensis · SOCIOPLASTICS-5970 · https://antolloveras.blogspot.com/2026/06/index-hortensis.html and Aerial Roots of the Operative Field · SOCIOPLASTICS-8918 · https://antolloveras.blogspot.com/2026/07/aerial-roots-of-operative-field.html introduces living time, species, care and decay. The DOI fixes one persistent scholarly object through Synthetic Legibility · SOCIOPLASTICS-3498 · https://doi.org/10.5281/zenodo.20356851, while the moving-image register tests visibility, encounter and implicit framing under duration through Field Encounter · SOCIOPLASTICS-7942 · https://www.youtube.com/watch?v=n46N_2eC8wA. The comparison remains accountable through Arendt, H. (1958), The Human Condition. Chicago: University of Chicago Press, and Asad, T. (1973), Anthropology and the Colonial Encounter. London: Ithaca Press. MATERIAL / SCALE / TIME / SENSE / ECOLOGY — wood · neighbourhood · decay · grain · rot. The new proposition is the residue of the crossing: defaults become analytically legible as opaque legitimacy when inherited settings, infrastructural conventions and institutional assumptions govern action precisely by appearing neutral, natural and already decided. PROJECT INDEX · https://antolloveras.blogspot.com/p/socioplastics-project-index.html · MACHINE-READABLE CORPUS · https://huggingface.co/datasets/AntoLloveras/Socioplastics-Index