code: @RequestMapping(value = "entity/validationStamp/{project}/{branch}/{validationStamp:.*}", method = RequestMethod.GET)
      public ValidationStamp validationStamp(@PathVariable String project, @PathVariable String branch, @PathVariable String validationStamp) {
          return structureService.findValidationStampByName(project, branch, validationStamp)
                  .orElseThrow(() -> new ValidationStampNotFoundException(project, branch, validationStamp));
      }
docs: Validation stamp access