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: 998
Hash: 05f63a2ea2b42ed0cefccfba523f135469a42728305929200f770762fc025c8f
Previous block: 62845ed1d565900d599e717e6773b9f1b53462f68c6d9cbbff39cfb2b1f6d935
Next block: 393acaf8ec05a9a6e8b57537cd13cd4964772e5da0a9c5d8b3fbe3fdac9a778e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857835
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c5577de52a51c9a3de8c6839302909db8912ceb4282af57d9bfa4ba4fc9faa15
Median time: 1707857834
Difficulty: 4.656542373906925e-10
Confirmations: 1246
Chainwork: 00000000000000000000000000000000000000000000000000000000000007ce
Bits: 207fffff