noun
non-repudiation of submission
Technical computing term: a property that ensures a sender cannot deny having submitted a particular message or data.
このシステムは発信の否認不能を保証するためにデジタル署名を使っている。
This system uses digital signatures to guarantee non-repudiation of submission.
否認不可 is a more general term for non-repudiation, while 発信の否認不能 specifically refers to non-repudiation of submission (origin).
Compound of 発信 (transmission/submission), の (possessive particle), 否認 (denial/repudiation), and 不能 (impossible). A direct translation of the English computing term 'non-repudiation of submission'.