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: 236
Hash: 03e60d36af90e3163568cf91dfb76c207f8467282522b7eb37dac68a457c9765
Previous block: 4d433cd5a5715e5cdfc18d2d3cbb7ac656c710a62a06df6c42a8683c3184c0a4
Next block: 6d158ac595f4b5ee00f8841408837a7e137153823911f7cf60a7224bf0ef3b07
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597907
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: e6ca02f22ccdce432a9ef85fa6b8ce0c3b297b511e67ae06c9634f4c2a095998
Median time: 1701597906
Difficulty: 4.656542373906925e-10
Confirmations: 2008
Chainwork: 00000000000000000000000000000000000000000000000000000000000001da
Bits: 207fffff