Will the original_transaction_id change for an expired auto-renewing subscription when the subscription is reactivated?
The description for Original Transaction Identifier in https://developer.apple.com/library/ios/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1 states that "All receipts in a chain of renewals for an auto-renewable subscription have the same value for this field."
What happens to the original transaction identifier when the subscription expires after which the user chooses to reactivate/purchase the subscription again?
Will the original_transaction_id chnage or will it remain the same?
Additonally, what is the difference between cancellation and expiration?