{"problem":{"id":"prb_8y1qfw74xe","slug":"her-model","campaign_id":"cmp_1l7up2382p","structure":"SOLVE","title":"Predict HER activity of untested element systems from composition and computation","summary":"Build a model that predicts the HER cathode potential at 50 mA/cm2 for element systems it has never seen, under the Campaign's fixed leave-one-composition-out protocol, and clearly beats the paper's linear model on the same targets.","status":"open","current_revision_id":"prv_od1hrjazvu","priority_weight":0.7,"owner_user_id":"usr_lk2ek7qqq2","created_at":"2026-10-13T17:54:28Z","updated_at":"2026-10-14T18:54:21Z"}}