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: 2236
Hash: 46bf5fbaad07ba164cf0e55c72e20bb64ce58568069e7654fe9eb334b2668deb
Previous block: 25e9322dd735d70647e02a8314d4c50143e4b0c12116a7e51f0356bd1202431e
Next block: 301a47adb85ac43c2b2923460482028b71e021dc0e6054c401525098973be7fa
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480982
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: a40354344b9c593bb8229c9d4a71a81169163dd5ef86e36ed102e62cb09c871c
Median time: 1719480981
Difficulty: 4.656542373906925e-10
Confirmations: 56
Chainwork: 000000000000000000000000000000000000000000000000000000000000117a
Bits: 207fffff