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: 108
Hash: 735ba0a09bd94df81a12261086827811a9697fc27b40c68539e948506583b5a5
Previous block: 60622c13a45faa94094ceb427e1dee6da9ceaf27a9951d6d949393ad37e9def1
Next block: 0aa4e7465012960aaa5eed03cd60568e1847b9cd3ca930df389b536cc18924ea
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597885
Stripped size: 217
Size: 217
Nonce: 2
Merkle root: 77a6173ef9f1d529811fafb8a45617ca3a72b66c2ecb79f2cd22629bf840e6f4
Median time: 1701597884
Difficulty: 4.656542373906925e-10
Confirmations: 2136
Chainwork: 00000000000000000000000000000000000000000000000000000000000000da
Bits: 207fffff