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: 2082
Hash: 748bf58b7a40316967d22fe4c5f5b3ab6b7fb8f0a2206b5c81a75679aff1fd50
Previous block: 79b5122fcbf2a39477b6c7445a065767947433fa60c31eeb907aec82d0a56142
Next block: 1d9907b6258b46fc80247c52525047943852ffa1003ba90c07ee966cd25a2843
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964784
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ff5c8cad26518a1d58d13f551243c47ac85da34085f532ce205083706d99696d
Median time: 1728964783
Difficulty: 4.656542373906925e-10
Confirmations: 162
Chainwork: 0000000000000000000000000000000000000000000000000000000000001046
Bits: 207fffff