Check whether the record is on the blockchain at the link location:
The record owner waits at least 10 minutes for any create, update or delete operation to be confirmed on the blockchain
The record owner checks the status of the link location
If not confirmed, the record owner either waits again waits again or retries the operation
The record owner optionally sends or publishes the link Location to any other parties
The Merkle proof is described in the blockchain section.