SPURIA Field NotesCTF & OSINT writeups — geolocation, social media forensics, and web challenges from the team behind SPURIA.https://blog.spuria.app/Snow, Catenary, and a Confident Wrong Turn: Geolocating a Train Windowhttps://blog.spuria.app/writeups/okcheon-gyeongbu-line/https://blog.spuria.app/writeups/okcheon-gyeongbu-line/A single blurry photo shot from a moving train. The deduction chain landed on the right country in the first thirty seconds — and then I talked myself out of it for three hours. A GEOINT writeup about tool-induced hallucination in data-sparse regions.Mon, 13 Jul 2026 00:00:00 GMTgeointgeointosintgeolocationsouth-korearailkakao-roadviewpicartahacktoria