Abaeté ⚡ on Nostr: What is this doutorcaleb ? : package Oracle is type Oracle_Type is tagged record Name ...

What is this doutorcaleb (npub178k…aay5) ? :
package Oracle is
type Oracle_Type is tagged record
Name : String;
Data : String;
Signature : String;
end record;

procedure Publish_Data (Oracle : in out Oracle_Type; Data : String);
function Verify_Data (Oracle : in Oracle_Type; Data : String) retu