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: 927
Hash: 6a59018bb1434dd1ad3dd07c5e9bee1df06f76d34dbb382cc666c908c8d2dd2d
Previous block: 74c29ad706440e811852f6775c7a8e82ca98d63ff3c00fbd23a581174db9ae19
Next block: 49a53d9a79d68946785ee7c3c6b5b7dea83fd34fba725de46d079884199f4768
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857823
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 702b069a19b2129bbdc0712877ee8945c298d9ba5e8bc30d2f5fe8458723ab0f
Median time: 1707857822
Difficulty: 4.656542373906925e-10
Confirmations: 1317
Chainwork: 0000000000000000000000000000000000000000000000000000000000000740
Bits: 207fffff