"A parity trace scan was a method to reconstruct computer logs that had been lost. In 2371, B'Elanna Torres ran a parity trace scan on the sensor logs of Chakotay and Tuvok's shuttlecraft, revealing that the logs had been erased, not damaged by an attack as Tuvok had claimed. (VOY: \"Cathexis\")"@en . . "Parity trace scan"@en . "A parity trace scan was a method to reconstruct computer logs that had been lost. In 2371, B'Elanna Torres ran a parity trace scan on the sensor logs of Chakotay and Tuvok's shuttlecraft, revealing that the logs had been erased, not damaged by an attack as Tuvok had claimed. (VOY: \"Cathexis\")"@en . .