CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins90% CONFIDENCEOverall confidence: 90%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better5.3 years ago
Happened as dated, per the source[1]: PERI's[2] press release of 28 July 2021 says "Today, the single-family house printed by PERI using a COBOD BOD2 printer was officially opened in Beckum"; The Construction Index[3] reports the same opening.PERI officially opened a single-family home in Beckum, the first 3D-printed house in Germany to be fully certified under national building regulations.