Psalm 68:30-31
I am poor and sorrowful: Thy salvation, O God, hath set me up. I will praise the name of God with a canticle: and I will magnify Him with praise.
Haydock
Verse 30. Up. The cross is now triumphant, (H.) an object of veneration. Bert. — Christ submitted to die upon it, and rose again. W. — He was exposed naked, and was truly a man of sorrows. M.
Denzinger
2133: The Authors and the Time of the Composition of the Psalms
Reply of the Biblical Commission, May 1, 1910
Question V: Whether in appearance the Davidian origin can be denied to those psalms which are cited in the Old and New Testament distinctly under the name of David, among which to be considered before the rest come: psalm 2, Quare fremuerunt gentes; psalm 15, Conserva me, Domine; psalm 17 Diligam te, Domine, fortitudo mea; psalm 31, Beati, Quorum remissae sunt iniquitates; psalm 68, Salvum me fac, Deus; psalm 109, Dixit Dominus Domino meo?–Reply: In the negative.