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. mxMfLjAez

Height: 2084
Hash: 676e20a99f8aa466fae188164e5d8316213dc1848ae78a1ba716c75738d7b29f
Previous block: 1d9907b6258b46fc80247c52525047943852ffa1003ba90c07ee966cd25a2843
Next block: 396e4cb2b009ba5e91a89be85b17f7cc76ff332107d84e27807b05b327ba229c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964784
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 8de24743276b2bf60c0af5a841c997990f3d89107a1df0c6c6d4fa8b845a20a5
Median time: 1728964783
Difficulty: 4.656542373906925e-10
Confirmations: 160
Chainwork: 000000000000000000000000000000000000000000000000000000000000104a
Bits: 207fffff