I am getting the “Not Found” error from Orthanc when I try to retrieve a jpeg from a wado request, but when I look into the Osimis Viewer the images are loaded correctly.
The “1.2.392.200036.9125.9.0.2686160661.168350664.3221165803” corresponds to the value of the “SOP Instance UID” (0008,0018) DICOM tag of the file you provided.