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: 2024
Hash: 387be09ec9c79af2cf1379b705b69d672d69e3fb6ff75a9fa953fb72512bd7c5
Previous block: 76e4a61153fcded41901dedf2a86062df3aa8f2fe01ac4bb95b72908294e545a
Next block: 3df8987587e263f24df85f3d842a36fbf0fb099ba0714ae57dcc29448c508066
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964774
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 322bc2215e18473fe77e0b978319d58657674591ce619f7d0f1ac1bfc7cb47bb
Median time: 1728964773
Difficulty: 4.656542373906925e-10
Confirmations: 220
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fd2
Bits: 207fffff