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: 2333
Hash: 49addea57a321288303925e169a7f550570cefce59f481a475afcd06d81787a6
Previous block: 130ac52832ac1c14c2776c86066dd4fb5d47f959b73b86d3c7824d7ffa65d9cc
Next block: 2d8029c72c1de105d880c701ce39a65521523b670633b4cc3ff25f898f18c7cd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847275
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 67376b4c687d434669a09cea7b49cddf8a304e7acaabd12f09040616db356fe7
Median time: 1743847275
Difficulty: 4.656542373906925e-10
Confirmations: 310
Chainwork: 000000000000000000000000000000000000000000000000000000000000123c
Bits: 207fffff