Sunan Abi Dawud 5150
سنن أبي داود#5150Sahihحَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ بْنِ سُفْيَانَ، أَخْبَرَنَا عَبْدُ الْعَزِيزِ، - يَعْنِي ابْنَ أَبِي حَازِمٍ - قَالَ حَدَّثَنِي أَبِي، عَنْ سَهْلٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " أَنَا وَكَافِلُ الْيَتِيمِ كَهَاتَيْنِ فِي الْجَنَّةِ " . وَقَرَنَ بَيْنَ أُصْبُعَيْهِ الْوُسْطَى وَالَّتِي تَلِي الإِبْهَامَ .
Sahl (b. Sa’d) reported the prophet (May peace be upon him) as saying; I and the one who takes the responsibility of an orphan will be in Paradise thus, and he joined his middle finger and forefinger
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 43:378