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: 1324
Hash: 08b25075378b05e94ec2d0f1ad33150a1b49ec798a335eee3449c3179bae03a2
Previous block: 79134116932a97de56e6f095ef02a7b1227d54111d0a001a9e63047cbb86f8fc
Next block: 35bc1c2e6167065595ce3ce607e03719b02874854335fe731cceef2e533f6672
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697628
Stripped size: 218
Size: 254
Nonce: 6
Merkle root: daa4a1db8325068c41619720078f18e8f1359f8300ea0e9b237f4920f64815a8
Median time: 1718697627
Difficulty: 4.656542373906925e-10
Confirmations: 920
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a5a
Bits: 207fffff