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: 41
Hash: 63d05438de3069d936f59ede3eb0c8ce5642fc2a9a48bccfbeef3baa4a50dcdf
Previous block: 5ebb1f43e2770b9647ae3699a84fbc715ae7bad43bc9b5a313f4868cbb87d209
Next block: 6885efd58017d3fc7caa591b94d2102a71942cbf91f20a3ec5f54a186d118282
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597874
Stripped size: 217
Size: 217
Nonce: 1
Merkle root: e3977e0563138a28fc30c4d4514c49f0d5725df4799fb9eb4723b9968627bf1c
Median time: 1701597873
Difficulty: 4.656542373906925e-10
Confirmations: 2203
Chainwork: 0000000000000000000000000000000000000000000000000000000000000054
Bits: 207fffff