new_contents: #!/usr/bin/env python3
  import json
  
  records = json.load(open('novels-project-identifiers.json'))
  num_valid = 0
  for k, v in records.items():
      if int(k) != v['novels-project']:
          raise ValueError("Record {} invalid.".format(k))
      num_valid += 1
  print("All {} records valid.".format(num_valid))
  
subject: Add simple validation script