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: 2232
Hash: 6723936db4dc1ef7b4d2c53da10ff8ce4aed6dbac373a39438d0379b6502a6dc
Previous block: 5a98f212d3d467503a8c69c997d368bf19c3526676bcfd23ec83a7a2016f01a3
Next block: 38ceb31d77b9a11215c7e92517c006add7cde37fed63e8586f19e7ef29195149
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480981
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 49c4f842321d92d8ef711022b91b7052709aac3dd9de8e1db798c3bab9da2e81
Median time: 1719480980
Difficulty: 4.656542373906925e-10
Confirmations: 60
Chainwork: 0000000000000000000000000000000000000000000000000000000000001172
Bits: 207fffff