The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mgqFp9Dhy

Height: 2177
Hash: 06afc6daac3d5184b3279fd492eeb3c4adce2948cf034b843a230d4ce429336c
Previous block: 4cde6a5fe8cba2bfa76e09e5efaf6d1b587f801a25e490e1e3dec124e1a9a93c
Next block: 46fb2e884db09b3d07278ae656e15247a024692f892cb5a60a67fe49f43ab483
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964799
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 89de3946acb295ad346a3c29179f470f94885e1d950473103b71c493c3968d75
Median time: 1728964799
Difficulty: 4.656542373906925e-10
Confirmations: 67
Chainwork: 0000000000000000000000000000000000000000000000000000000000001104
Bits: 207fffff