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: 806
Hash: 50a3aecb77334e47f8f7408fb7e189d2f1170d59822cd7359bf8875776d7a980
Previous block: 59c06e6ff541e0c989e5ff81eebec6211023bc8424b6a8bef82db4a6ef155864
Next block: 390ed67520f94c2fc326bb5865062ba2a53dff6f5595e67a9fc818a2d30443b3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857803
Stripped size: 218
Size: 254
Nonce: 5
Merkle root: 46e9f6156ff2b3a78b002d93c770a033c924fb96f7a95e1f57c85b48ace81cbb
Median time: 1701864277
Difficulty: 4.656542373906925e-10
Confirmations: 1438
Chainwork: 000000000000000000000000000000000000000000000000000000000000064e
Bits: 207fffff