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: 112
Hash: 4268d743e5d98d77e87e436139b49889e986981efa45e19401072e365457f127
Previous block: 60a4211a0a161ae2a5697382b9110320241d17fe92b799c8abcf4f1ab5668508
Next block: 41c6dd0ad7db6e2bfca83011b97647af48a33148dbe10a5e79babca4582ba9f9
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597886
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: 8791dc6a1467ed0a004e05ad28b8f4a5efd37f223123a4ec88845183b7f7b261
Median time: 1701597885
Difficulty: 4.656542373906925e-10
Confirmations: 2132
Chainwork: 00000000000000000000000000000000000000000000000000000000000000e2
Bits: 207fffff