Assertion: signature | /r/HasProperty | authentic
Facets:
Source sentences:
text: Each person's signature is unique and authentic.
text: There are also independent agencies that have the ability to examine signatures and determine if they are authentic or forgeries.
text: In some cases, the guarantor may use a stamp as the indication that the signature is authentic.
text: That trust provider assumes responsibility for verifying the signer’s identity and vouching that signatures are authentic.