Christ's righteousness is made available to us through His obedience to the Law and His sacrifice, validating it as the only acceptable righteousness before God.
Christ is declared to be our righteousness (1 Corinthians 1:30), which is demonstrated in Romans 3:22 where Paul emphasizes that this righteousness comes through faith in Jesus Christ. Our own righteousness, as stated in Isaiah 64:6, is like filthy rags, but through Christ, we are made righteous before God. Romans 10:3 warns against establishing our own righteousness, underscoring the necessity of submitting to God's righteousness in Christ. Therefore, the authenticity of Christ's righteousness is substantiated by His perfect sacrifice and fulfillment of the Law, which He achieved on our behalf.
Commentary