Deblending MXDF-7381. Top-left: spectrum of MXDF-7381 ( f_λ) in blue, best fit at z₁ (${\widehat{f}}_{\lambda ,z_1}$) in orange, and the second reconstruction at z₂ (${\widehat{f}}_{\lambda ,z_2}$) as a dashed black line. Bottom: Obtained ${\chi }_1^2$ and ${\chi }_2^2$ curves from left to right. Here, ${\chi }_1^2$ reveals a minimum at a redshift z₁ = 0.6665 corresponding to the blending component, whereas ${\chi }_2^2$ reveals a minimum at z₂ = 0.3235 which corresponds to MXDF-7381 true redshift. Top-right: white image of MXDF-7381 with nearby sources, where we can see the presence of a close source, MXDF-943, with the blending redshift z₁.