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: 1927
Hash: 4ac53476d9b8581080e5b8311115ac7060681928c9bdfd5868219f10bca815ff
Previous block: 5f8a3b1f1d8311b560fad3a6d80d89bdac72500b4034981c7eca3886077ffefd
Next block: 6e63dcd285b77bc39b8030fecffa7ef1af412a1da84eef5ad3f8180ac863e339
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159244
Stripped size: 218
Size: 254
Nonce: 4
Merkle root: 4c4591ed9cfdd6bcd3321f7cb3fe61b6d9d2175af3b05fd223679c8ba79dd764
Median time: 1719159244
Difficulty: 4.656542373906925e-10
Confirmations: 317
Chainwork: 0000000000000000000000000000000000000000000000000000000000000f10
Bits: 207fffff