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: 43
Hash: 5da7af0a7bb25bb40b8f0048ad2aa07191a5d7a7f6a228d3e12ca687f1c08a9e
Previous block: 6885efd58017d3fc7caa591b94d2102a71942cbf91f20a3ec5f54a186d118282
Next block: 42bed65fe29198f115ca9b48e0928334781893cbcfc0168851a9bd3836056e7d
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597874
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: 8c307078e29e13f2c01d0d337f6ced4fb55213b866990cf1e20f1c554a480018
Median time: 1701597874
Difficulty: 4.656542373906925e-10
Confirmations: 2201
Chainwork: 0000000000000000000000000000000000000000000000000000000000000058
Bits: 207fffff