🛠️ Invention or technique

Sealed clay envelope

Sobre de arcilla sellado para contratos y cartas

Date
c. 2000 BCE · confidence high
Place
Kanesh (Kültepe), Anatolia, Turkey and Ur, Iraq
Credited to
Assyrian merchants of Kanesh and scribes of Ur III
Field
Communication

What it is

Clay envelope enclosing the tablet, on which the text or summary is repeated and the seals of the parties and witnesses are impressed. It is broken only before a court, guaranteeing that the document has not been altered.

What it led to

  • Inviolable contracts, the basis of long-distance commercial credit between Assur and Anatolia
  • Confidential private correspondence and the notion of epistolary secrecy
  • Notarial practice of witnesses and seals that persists in law
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