verifying the claims, validating the claims, confirming the claims, substantiating the claims, corroborating the claims, attesting to the claims, certifying the claims, endorsing the claims, affirming... [more]
verifying the claims, validating the claims, confirming the claims, substantiating the claims, corroborating the claims, attesting to the claims, certifying the claims, endorsing the claims, affirming... [more]