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: 1047
Hash: 3b7be6db7a41dfb4b6cd423351fb4ea10f82a3711ec9c70ccbf37b8bafb516a9
Previous block: 254ef49f70aeb1b552e46e6ef42f750f170f12ad3c0e63e3621639068b28b996
Next block: 381011d5b53b2a49fd0e61a8f3bca9fce054ed9ac5b0c4dc6070a3a9fa7c31c8
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857843
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: a01c9a7a95bc26208eea3ef376ef7093e9f4a732cf3c184d07b9181ea5cffac0
Median time: 1707857842
Difficulty: 4.656542373906925e-10
Confirmations: 1197
Chainwork: 0000000000000000000000000000000000000000000000000000000000000830
Bits: 207fffff