Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:11667Abū al-Qāsim b. Shubbān > ʿAbd al-Bāqī b. Qāniʿ > ʿAlī b. Muḥammad b. Abū al-Shawārib > Mūsá b. Ismāʿīl > Ḥammād b. Salamah > Qatādah > Khilās

[Machine] Ali used to guarantee the worker, and Allah knows best.  

البيهقي:١١٦٦٧وَأَخْبَرَنَا أَبُو الْقَاسِمِ بْنُ شُبَّانَ ثنا عَبْدُ الْبَاقِي بْنُ قَانِعٍ ثنا عَلِيُّ بْنُ مُحَمَّدِ بْنِ أَبِي الشَّوَارِبِ ثنا مُوسَى بْنُ إِسْمَاعِيلَ ثنا حَمَّادُ بْنُ سَلَمَةَ عَنْ قَتَادَةَ عَنْ خِلَاسٍ أَنَّ عَلِيًّا كَانَ يَضْمَنُ الْأَجِيرَ حَدِيثُ جَعْفَرٍ عَنْ أَبِيهِ عَنْ عَلِيٍّ مُرْسَلٌ وَأَهْلُ الْعِلْمِ بِالْحَدِيثِ يُضَعِّفُونَ أَحَادِيثَ خِلَاسٍ عَنْ عَلِيٍّ وَقَدْ رَوَى جَابِرٌ الْجُعْفِيُّ وَهُوَ ضَعِيفٌ عَنِ الشَّعْبِيِّ قَالَ

كَانَ عَلِيٌّ يَضْمَنُ الْأَجِيرَ وَاللهُ أَعْلَمُ