Yevamot 115B

וחזינהו לאלתר, וקאמרי סימנין. דלאו עלייהו סמכינן, אלא אסימנים.

and we saw them immediately when they came out of the water, and the women stated distinguishing marks that identified these people. As, in this case we do not rely upon the women, but upon the distinguishing marks.

ההוא גברא דאפקיד שומשמי גבי חבריה, אמר ליה: הב לי שומשמי. אמר ליה: שקילתינהו: והא כן וכן הויין, ובחביתא רמיין. אמר ליה: דידך שקלתינהו, והני ⁠— אחריני נינהו.

§ The Talmud relates: There was a certain man who deposited sesame plants with his friend. Sometime later he said to him: Give me the sesame plants. The friend said to him: You already took them. The owner replied: But they were of such-and-such an amount, and placed in a jug; go and check that jug and you will see that I am right. The bailee said to him: You took your sesame plants, and these in the jug at my house are other ones.

סבר רב חסדא למימר: היינו שני תלמידי חכמים, ולא אמרינן: הנך אזלו לעלמא, והני אחריני נינהו.

The case came before the rabbis for a ruling. Rav Ḥisda thought to say: This situation is the same as the situation involving the two Torah scholars who drowned, when they used distinguishing marks to identify them. And we do not say in that case: Those men went elsewhere in the world, and these men who floated up are different people. Here too one may rely upon the distinguishing marks of the sesame plants given by the owner, and there is no reason to think that these sesame plants are different ones.

אמר ליה רבא: מי דמי? התם, קאמרי סימנים. הכא, שומשמי מאי סימנא אית להו? ודקאמר ״כן וכן הויין״⁠ — אימר חושבנא איתרמי.

Rava said to Rav Ḥisda: Is it comparable? There they said distinguishing marks that identified the victims. Here, in the case of sesame plants, what distinguishing marks might they have, by which they could be identified? And as for that which he said: They were of such-and-such an amount, one can say it happened by chance that this second time it was the same amount, and there is no proof that these are the same sesame plants.