message: slice asset manifest hashes
diff: @@ -213,7 +213,7 @@ fn get_digest(value: String) -> Result<String, failure::Error> {
  let mut hasher = Sha256::new();
  hasher.input(value);
  let digest = hasher.result();
  - let hex_digest = HEXLOWER.encode(digest.as_ref());
  + let hex_digest = HEXLOWER.encode(digest.as_ref())[0..9].to_string();
  Ok(hex_digest)
  }
  