Pardons aside, anyone that was ever fingerprinted will have an FPS# associated with their name. Maybe someone, with proper credentials, can comment on whether foreign governments have access to this information and or whether this information is sealed when a pardon is received.
http://www.rcmp-grc.gc.ca/atip-aiprp...ib-frp-eng.htm
This information is used by domestic and foreign law enforcement and investigative agencies of federal/provincial/territorial, state and municipal governments, departments of the criminal justice system and the courts, in the administration or enforcement of the law and in the detection, prevention or suppression of crime generally. This information is also used by insurance crime prevention bureaus for the purpose of combating arson, auto theft and related offences. It is also used by the Canadian federal / provincial / territorial/ municipal agencies, private companies, and non-profit organizations when authorized by the individual for security and reliability screening and by the Canadian Security Intelligence Service for the purposes of investigating threats to the security of Canada and the preparation of security assessments. This information is also used for research planning, evaluation and audit, statistical purposes and may be matched with information from other personal information banks and/or program records. All linkages for the purpose of administration or enforcement of the law and in the detection, prevention or suppression of crime are in compliance with the provisions of the Privacy Act. Fingerprints taken under authority of the Immigration and Refugee Protection Act are used for immigration investigative and identification purposes. RCMP employee fingerprints are used to assist in the maintenance of continuously updated security/reliability clearances.