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: 2083
Hash: 1d9907b6258b46fc80247c52525047943852ffa1003ba90c07ee966cd25a2843
Previous block: 748bf58b7a40316967d22fe4c5f5b3ab6b7fb8f0a2206b5c81a75679aff1fd50
Next block: 676e20a99f8aa466fae188164e5d8316213dc1848ae78a1ba716c75738d7b29f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964784
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 4c0a489c84fce3854109194522ca8dafdba274d194a2d54eb6b31455f69e6fcc
Median time: 1728964783
Difficulty: 4.656542373906925e-10
Confirmations: 161
Chainwork: 0000000000000000000000000000000000000000000000000000000000001048
Bits: 207fffff