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: 133
Hash: 65d72a71d521fb1d2690b1c13f6a80632f3e53efec39bd801e3e55a22804debf
Previous block: 2c188ca6690481f7e973d22386fc94b185ef72df2fd84247c6c462ade770f638
Next block: 257cdf63fd3e1ab9b85422a2225195500bfa9b900d6ac7c920052aac2839b90f
Weight: 872
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597889
Stripped size: 218
Size: 218
Nonce: 2
Merkle root: b5455c601c657ed2265410cdbaf7f83621f0497bf4a9f843034da48f51b3c577
Median time: 1701597889
Difficulty: 4.656542373906925e-10
Confirmations: 2111
Chainwork: 000000000000000000000000000000000000000000000000000000000000010c
Bits: 207fffff