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. mupBAc74k

Height: 2224
Hash: 5a7aff4e6ba64938ab77d142373b720ecf0951d478f6fab9fc723618f6c70832
Previous block: 182176dfd54dfca3e033216bbeab13268a0f7ed6176d0b932f61f85a2295e4e1
Next block: 286373f618cdf311c14698ab73906ba4c90dd98bbc703545e10becb6d907a120
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480980
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 62f6f7dfcbf1782c3e64050b383800dc568bca20d6a1a7e59b9d54a7f1b993ad
Median time: 1719480979
Difficulty: 4.656542373906925e-10
Confirmations: 68
Chainwork: 0000000000000000000000000000000000000000000000000000000000001162
Bits: 207fffff