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: 1182
Hash: 74402be87dc961bb8834932a3800cf9ccfef186f8186725828c3cb532f1904e8
Previous block: 09211ac6ba0aee466787fac33659c5d188074a0c58d16cb50dc73d7e1bc18e58
Next block: 6c149cd61be31062108450d95e8ec9590903ca7f6dfa510251f685c751448a1f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857865
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 9891c0f69e4397188e745852ce3be0df3153c6997840abe98b1325bb31dc18fe
Median time: 1707857865
Difficulty: 4.656542373906925e-10
Confirmations: 1062
Chainwork: 000000000000000000000000000000000000000000000000000000000000093e
Bits: 207fffff