I can't tell if you are trolling. If a mining node is sent a valid block, do you really think they don't start mining with the new merkle hash just incase they could hit two blocks faster than every other miner? Is that really how you think it works? If you can broadcast a transaction to a miner to be included in a block, why as a miner do you think they would disregard a valid block, and by what mechanism? Is this a real theory you have?

There is very clear miscommunication here. Although it was never answered, I assume Ocean would broadcast a solution via a stratum channel. My argument is to the latency of propagation for a block as it pertains to nodes and how relevant that latency is for orphan blocks. Broadcasting from a well-connected mining node will be built on more quickly than a home node broadcasting fan-out from their node. If a DATUM user submits a solution via stratum, I would hope Ocean broadcasts from their node (assuming it well connected, as is best practice for mining pools)