Jan Disselhoff

Verified people and dated competition rosters. Observations do not establish joining dates or credit for particular submissions.

ARC Prize 2025 runner-up · the ARChitects
ARC Prize 2024 champion · the ARChitects

The ARChitects’ own 2025 solution write-up credits Jan Disselhoff under the Kaggle handle insanitycheck, alongside David Hartmann (dvhrtm) and Daniel Franzen (dfranzen). The ARChitects — 2025 team solution

The team’s 2025 technical report lists Jan Disselhoff at Johannes Gutenberg University Mainz. The ARChitects — 2025 technical report

Observed teams

Jan Disselhoff (ARC-AGI-2, 2026) · insanitycheck · observed October 9, 2026–October 10, 2026 Roster source
Jan Disselhoff (ARC-AGI-3, 2026) · insanitycheck · observed October 9, 2026–October 10, 2026 Roster source

Public accounts

insanitycheck · Identity source

The ARChitects team card from the ARC Explainer Hall of Fame, featuring Franzen, Disselhoff and Hartmann — Historical ARC Hall of Fame artwork.

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