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: 2266
Hash: 4cb4d7926af4307b3bba9a1af4561b72d01067d21ed6a3e21a57f0638d638773
Previous block: 3ae0285909a057ffcd4eb246ab7a99f94e01a22f053116124d807c9aa928b87c
Next block: 3d9b95bf0516fe65fa0a23cf7a4742a646d522621b4fa787683084b0668b2425
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480987
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: d16377d385c337aa6307bdc7946d42a0f855c70e110a0a2ed09be4584126f5e9
Median time: 1719480986
Difficulty: 4.656542373906925e-10
Confirmations: 26
Chainwork: 00000000000000000000000000000000000000000000000000000000000011b6
Bits: 207fffff