First implementation (#1)

Reviewed-on: #1

fixtures/records/suspect.json

@@ -0,0 +1 @@
+{"a":"10-3","b":"10−3","crop":"321a926653b9e097987d255d9286880893d71abf895d73f1649403ed9ac0877d","format":"scienting-suspect/1","id":"tncskbdzr6r5r","kind":"number","node":"ec5jc93","note":"The text layer reads a hyphen on the line; the page image shows a raised minus three."}