{"type": "article", "title": "Exploring PDP-1 Lisp (1960)", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/exploring-pdp-1-lisp-1960", "original_source": "https://obsolescence.dev/pdp1-lisp-introduction.html", "published": "2026-06-30T00:56:42+00:00", "accessed": "2026-06-30", "id": "exploring-pdp-1-lisp-1960"}