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: 929
Hash: 75363d5ffc8315602ff774e3cce92fc64b07babc8a45bad7ac7f5e7b0752a24a
Previous block: 49a53d9a79d68946785ee7c3c6b5b7dea83fd34fba725de46d079884199f4768
Next block: 679868c6ef57a4c8189fec55a7ee578aa62fb10ad0cedb358041c24647aedc73
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857823
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 0059c47296a0fd83db3a1bd149413a484b83528578fcc6aec053c0a6c782d515
Median time: 1707857822
Difficulty: 4.656542373906925e-10
Confirmations: 1315
Chainwork: 0000000000000000000000000000000000000000000000000000000000000744
Bits: 207fffff