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: 1184
Hash: 25ffd242ac9204e64640a59bde1a335c77b566fac96c23a1e4e5aff6035f2799
Previous block: 6c149cd61be31062108450d95e8ec9590903ca7f6dfa510251f685c751448a1f
Next block: 45c7043bcac3d559d14904cbc9efead828e23a16ad36c5d9f5f9888a17509c9e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857866
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 981fc995999725a92fcd3d45c9a15dce9cf16e09e689b8ab65648e15d68d3594
Median time: 1707857865
Difficulty: 4.656542373906925e-10
Confirmations: 1060
Chainwork: 0000000000000000000000000000000000000000000000000000000000000942
Bits: 207fffff