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: 930
Hash: 679868c6ef57a4c8189fec55a7ee578aa62fb10ad0cedb358041c24647aedc73
Previous block: 75363d5ffc8315602ff774e3cce92fc64b07babc8a45bad7ac7f5e7b0752a24a
Next block: 73a718a92b9990a3450d356bd443060d732509ee031e0d43679d0160117f41f4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857823
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 725b046496c97ee748cb7559a6d69a5591e20648dd1541a4f6843f380628c5ee
Median time: 1707857823
Difficulty: 4.656542373906925e-10
Confirmations: 1314
Chainwork: 0000000000000000000000000000000000000000000000000000000000000746
Bits: 207fffff