Not a DOI

The resolution service at https://doi.org resolves DOIs. You have attempted to resolve TSPD/0807dc117eab20001b44e35fa8be6bb487506b2fc72556ad223be346379842002e2d2290789c570a, which is not a DOI.

TSPD/0807dc117eab20001b44e35fa8be6bb487506b2fc72556ad223be346379842002e2d2290789c570a may be a Handle (DOIs are a special sort of Handle). If TSPD/0807dc117eab20001b44e35fa8be6bb487506b2fc72556ad223be346379842002e2d2290789c570a is a valid Handle you should be able to resolve it at https://hdl.handle.net.