Objective evidence

Verification, audits and certification all rest on objective evidence, so a claim without a record, a measurement or a test result does not count. Auditors ask to see it, not to hear about it.

data supporting the existence or verity of something Note 1 to entry: Objective evidence can be obtained through observation, measurement, test or by other means. [SOURCE: ISO 9000:2015, 3.8.3, modified — Note 2 to entry deleted.]

ISO 14971:2019, clause 3.11

data supporting the existence or verity of something Note 1 to entry: Objective evidence can be obtained through observation, measurement, test or by other means. Note 2 to entry: Objective evidence for the purpose of the audit (3.1) generally consists of records, statements of fact, or other information which are relevant to the audit criteria (3.7) and verifiable. [SOURCE: ISO 9000:2015, 3.8.3]

ISO 19011:2018, clause 3.8