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: 2081
Hash: 79b5122fcbf2a39477b6c7445a065767947433fa60c31eeb907aec82d0a56142
Previous block: 62568fbc8f5645172acdfad330cdc21299602860d615ada6381657091e28ea69
Next block: 748bf58b7a40316967d22fe4c5f5b3ab6b7fb8f0a2206b5c81a75679aff1fd50
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964783
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 238dd5635a07b8129375beadf5b8e3cee6243ca22eaf4164f30d2e57e4db95d1
Median time: 1728964783
Difficulty: 4.656542373906925e-10
Confirmations: 163
Chainwork: 0000000000000000000000000000000000000000000000000000000000001044
Bits: 207fffff