Hadith same text are each counted as individual ahadith. If, say, ten companions record a text reporting a single incident in the life of Muhammad, hadith scholars can count this as ten hadiths. So Musnad Ahmad, for example, has over 30,000 hadiths—but this count includes texts that are repeated in order to record slight variations within the text or within the chains of narrations. Identifying the narrators of the various texts, comparing their narrations of the same texts to identify both the soundest reporting of a text and the reporters who are most sound in their reporting occupied experts of hadith
Hadith of Golden Chain of that the hadith is called "golden chain". Because of that, this hadith was named Al-Silsilah al-Dhahab. Al-Silsilah al-Dhahab is Musnad. Twenty (or ten or thirty) thousands have narrated this event, but only fifty narrations are available. The chain of the narrators of the hadith reaches the Prophet of Islam through Ahl al-Bayt, hence called Hadith of Golden Chain. Hadith of Golden Chain Hadith al-Silsilah al-Dhahab () (Hadith of the Golden Chain) is a hadith narrated from Ali al-Ridha, the eighth Imam of the Shia. The "chain" is a reference to the continuity of spiritual authority which is passed down