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: 1171
Hash: 370e30b29ce6efad99df394762c120ca8f303ad8db4614161ff330463a0894c4
Previous block: 366d35e51eb1d4c7d14fa7b6784bc8e7cf16aff524a6ed63ce535d2df06894fa
Next block: 754715814d6602f7a963dbef4cc98d3b1dd146f9f65c75e33ae189fbffe6b489
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857864
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e01e9953fb6fa759983c749cd4faa769237f1e3332809d86fe55cc40365f0c7b
Median time: 1707857863
Difficulty: 4.656542373906925e-10
Confirmations: 1073
Chainwork: 0000000000000000000000000000000000000000000000000000000000000928
Bits: 207fffff