verifiable
Used to describe claims, data, or information that can be checked or confirmed.
Is that information verifiable?
Please submit only verifiable data.
検証 is the noun meaning 'verification' or 'inspection'; 検証可能 is the adjectival noun meaning 'verifiable'.
確認可能 also means 'confirmable', but 検証可能 often implies a more rigorous, evidence-based verification process.
Compound of 検証 (verification) and 可能 (possible).