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: 1225
Hash: 3e8a0efe73b81585dc44879bb243a666e2ee3b1e85067a6fd8b984522037692d
Previous block: 50966553d091b53034e21abcfd2363b6c2d86873f870ecf3f5bee979f11fabcc
Next block: 0a1944ca3b71f04ca722d56b1a5c500e9c741e310861488125f5559dbd05f913
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697612
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 976a6b012e390ba86917474db59c648cbf82c74e4a6ade1b657023c8abfc3aa6
Median time: 1718697611
Difficulty: 4.656542373906925e-10
Confirmations: 1019
Chainwork: 0000000000000000000000000000000000000000000000000000000000000994
Bits: 207fffff