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: 114
Hash: 7b89de45abf92065fa90abf50c45debab1fb2f02abdccb373dd4e7f5079feb4d
Previous block: 41c6dd0ad7db6e2bfca83011b97647af48a33148dbe10a5e79babca4582ba9f9
Next block: 54b6b2b82f57cc628b134a6f85858573391787c10fcf14a400947a02fbe32a8f
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597886
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: 8f42cfb8790e68f5e9409ed9559e9c1efce151a95a56cafb27498197e36b4e2e
Median time: 1701597885
Difficulty: 4.656542373906925e-10
Confirmations: 2130
Chainwork: 00000000000000000000000000000000000000000000000000000000000000e6
Bits: 207fffff