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We present timing solutions for 21 pulsars discovered in 350 MHz surveysusing the Green Bank Telescope (GBT). All were discovered in the Green BankNorth Celestial Cap pulsar survey, with the exception of PSR J0957-0619, whichwas found in the GBT 350 MHz Drift-scan pulsar survey. The majority of ourtiming observations were made with the GBT at 820 MHz. With a spin period of 37ms and a 528-day orbit, PSR J0032+6946 joins a small group of five other mildlyrecycled wide binary pulsars, for which the duration of recycling throughaccretion is limited by the length of the companion's giant phase. PSRsJ0141+6303 and J1327+3423 are new disrupted recycled pulsars. We incorporateArecibo observations from the NANOGrav pulsar timing array into our analysis ofthe latter. We also observed PSR J1327+3423 with the Long Wavelength Array, andour data suggest a frequency-dependent dispersion measure. PSR J0957-0619 wasdiscovered as a rotating radio transient, but is a nulling pulsar at 820 MHz.PSR J1239+3239 is a new millisecond pulsar (MSP) in a 4-day orbit with alow-mass companion. Four of our pulsars already have published timingsolutions, which we update in this work: the recycled wide binary PSRJ0214+5222, the non-eclipsing black widow PSR J0636+5128, the disruptedrecycled pulsar J1434+7257, and the eclipsing binary MSP J1816+4510, which isin an 8.7 hr orbit with a redback-mass companion.

The Green Bank North Celestial Cap Survey. VIII. 21 New Pulsar Timing Solutions