An Al Jazeera investigation refuted Israel's "failed Palestinian rocket launch" narrative regarding the strike on the al-Ahli Arab hospital in Gaza.
A Channel 4 News investigation also confirmed that Israel's audio tape of “Hamas operatives discussing the rocket malfunction" was a fake with their experts saying that the tone, syntax, accent and idiom sounded absurd and not credible: https://www.channel4.com/news/who-was-behind-the-gaza-hospital-blast-visual-investigation
This would also not be the first time that the Israeli government has lied about "misfired Palestinian rockets": https://mondoweiss.net/2022/08/after-initially-blaming-palestinians-israel-admits-to-airstrike-that-killed-5-children-in-gaza/