Early 6th-century BC military dispatch letters on pottery sherds documenting the final Babylonian siege of Judah
Twenty-one Paleo-Hebrew carbon-ink inscriptions on broken ceramic potsherds written by Hoshayahu, a military officer commanding an outpost, to Yaush, military governor of Lachish, right before the city fell to Nebuchadnezzar.
Rigorous 4-part empirical analysis separating ancient text from bias and consensus
Ostracon IV lines 10–13 states: 'May my lord know that we are watching for the fire-signals of Lachish according to all the signs which my lord has given, for we cannot see Azekah.'
Directly corroborates Jeremiah 34:7 ('when the army of the king of Babylon was fighting against Jerusalem and against all the remaining cities of Judah, against Lachish and Azekah, for these were the only fortified cities left').
Scholars discuss the identification of 'the prophet' mentioned in Ostracon III line 19 ('he warned the officer...'), debating whether it refers to Jeremiah or an unrecorded contemporary.
Written as urgent military field dispatches under extreme crisis; reflects genuine administrative tensions, troop demoralization, and reliance on divine invocations ('May YHWH grant peace').