and the Bedouin came to the Messenger of Allah, peace and blessings be upon him, and said, “Messenger of Allah, release me from my pledge of allegiance.” But the Messenger of Allah, peace and blessings be upon him, refused. He then came again and said, “Release me from my pledge of allegiance.” He refused. Then he came to him once more and said, “Release me from my pledge of allegiance.” He refused, so the Bedouin left. Thereupon, the Messenger of Allah, peace and blessings be upon him, said: ... and he then cited it.

Muslim narrated it (1383), as did Mālik (3/84), al-Nasāʾī (7/151), al-Tirmidhī (3920), al-Ḥumaydī (1241), Aḥmad (3/306, 307, 365, and 392), al-Ṭayālisī (2629 and 2728, according to its arrangement), Ibn Ḥibbān (3724 and 3727), al-Baghawī in Sharḥ al-Sunnah (2015), Abū Yaʿlā (2023), ʿAbd al-Razzāq (17164), Ibn Abī Shaybah (12472), and al-Fasawī (1/347), all by way of Muḥammad ibn al-Munkadir, with this chain.

As for the hadith of Abū Umāmah, Ibn Mājah narrated it (4077) as part of a lengthy hadith, which includes:

“... Medina will shake its inhabitants with three tremors, and no hypocrite, male or female, will remain without going out to him—that is, the Dajjāl. Thus, it will expel its impurity, just as the bellows expel the impurity of iron ...”

In its full length, it is weak. I have traced it in al-Mishkāh (6044) and Ẓilāl al-Jannah (391).

As for the hadith of Abū Qatādah, ʿUmar ibn Shabbah narrated it in Tārīkh al-Madīnah (1/163), by way of Mūsā ibn ʿUbaydah al-Rabadhī, from ʿAbd Allāh ibn Abī Qatādah, from his father, attributed to the Prophet. Its wording is:

“This is Ṭaybah, where my Lord has settled me. It expels the impurity of its people, just as the bellows expel the impurity of iron ...”

After citing several wordings of the hadith under discussion—“men,” “sins,” and “impurity”—and noting that the last wording, “impurity,” is narrated by Ghundar, al-Ḥāfiẓ Ibn Ḥajar said in Fatḥ al-Bārī (4/97):