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: 2393
Hash: 174a8b98bec2f5557fafca1b1b35580564faf285cfa3465c631267cb00d17618
Previous block: 2392477bf968671cf53d23fde4c9b61b1ce9fea61c595736da1dfa27a3b720df
Next block: 37387e66c9885face968b9ce468e568ac37d3a581600f8eab6576a9ad59abafb
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847285
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 54858a2e7b6855244283dc87c0fcc26ad26c7be230d55e9b2ee76755b4a7bb56
Median time: 1743847285
Difficulty: 4.656542373906925e-10
Confirmations: 250
Chainwork: 00000000000000000000000000000000000000000000000000000000000012b4
Bits: 207fffff