you can now click on all blocks (except red selfish ones) in blocks.p2pool.observer and get to a page with more details, including orphan ones. example blocks.p2pool.observer/block/23e402…5cfee9df42f0459d906da92403a5661246f

Also lists withheld transactions that have been detected blocks.p2pool.observer/block/7d8915…d556a03b9e3708eec33d5e3043a0676b88d

example orphaned block blocks.p2pool.observer/block/b328e2…be0e4575e0c6aa8d9392c48beda6ed01260

totally forgot about it. you can also download the block template hex directly or the curl command to import directly to local monero via RPC. This is kept on a database so the alt blocks should exist. Alt blocks are found by randomly sampling open monero nodes with RPC in the network.

These are stored in database for safekeeping

You should be able to access any alt block via its block id, coinbase id or merkle root hash in merge mining extra tag

add /hex or /curl to the endpoint

(or press the button)