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: 711
Hash: 4741366cee4a3342d2f6221ea39095109ea47cef6088ee7591223d984ee63767
Previous block: 0497205501047aac58de7d3f87027f45980e1698c604c1067560a08c9b7b1e5b
Next block: 53b003162cfccacf37d9f49b07ff3831c4ecf943bbade3c2a411e5262954ac7e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864262
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 97e1262918c59bea60c2209507646a020a9831eb7e2a353dfa0deb9377df56ee
Median time: 1701864261
Difficulty: 4.656542373906925e-10
Confirmations: 1533
Chainwork: 0000000000000000000000000000000000000000000000000000000000000590
Bits: 207fffff