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: 696
Hash: 743521cee496ebf3f3b725153a07c8be40947475832cdafd8b719d7441243949
Previous block: 78fa7e1a9d07e9cb51362940e17fd21aa5797d8f558653c4e72ba9bba8b1f958
Next block: 6c4d05eff1c428d4c7db701b73c0d867bd2bc1dccc6390b94823bd70df48cc24
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864259
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 5b979d4de8e54266dce5412aebba784126e52f4cff7f96b546708fd92ba059cc
Median time: 1701864259
Difficulty: 4.656542373906925e-10
Confirmations: 1548
Chainwork: 0000000000000000000000000000000000000000000000000000000000000572
Bits: 207fffff