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: 1232
Hash: 72087dbae243cd66da5ad063e05d8226259f675e03d4225db5920fb36097e072
Previous block: 663f4685bfc692f90bcdb094a2eb619573f43f3f2ef9c9cfe762e9562cfdd12c
Next block: 39cc560e290e0ee1f85b7549a02121d2571f7c46220d64316dc80dd7c1817e26
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697613
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 2e514376a06142e7761ff979793586bb0e5db7177152e3ecd5e4da79abeb96d0
Median time: 1718697612
Difficulty: 4.656542373906925e-10
Confirmations: 1012
Chainwork: 00000000000000000000000000000000000000000000000000000000000009a2
Bits: 207fffff