1. Introduction  
2. Methods  
2.1. Light-curve detrending and transit search  
2.2. MCMC transit fitting of the light curve  
2.3. False-positive vetting  
2.4. Transit-timing analyses of Kepler-160 c  
3. Results  
3.1. Transit detection  
3.2. Non-transiting planet Kepler-160 d  
4.2. Planet interpretation of the new transit candidate  
4.3. Alternative stellar parameterization  
4.4. Coplanarity of the non-transiting planet Kepler-160 d  
4.5. Stability of the non-transiting planet Kepler-160 d  
5. Conclusions