A sanad (سند) is the sequence of narrators through whom a Hadith was transmitted. The same Hadith may also be transmitted through other narrator sequences.
Here, support from other chains strengthens the report; it does not mean the first narrator's memory has changed.
Printing the same chain in several places or making several translations is not transmission through other chains.
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Ṣaḥīḥ li-Ghayrihi: Definition, Corroboration, and Example
A sanad (سند) is the sequence of narrators through whom a Hadith was transmitted. The same Hadith may also be transmitted through other narrator sequences.
Here, support from other chains strengthens the report; it does not mean the first narrator's memory has changed.
Printing the same chain in several places or making several translations is not transmission through other chains.