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: 1166
Hash: 025d4636fb519a6cc4ada3a4b9506d5ba4a84159853c032a03918be28551f70f
Previous block: 3c06df83173740e75a5982028eef0c138f0325090ea3105b90de0d11348977d8
Next block: 318d687c0654be7c0353da8d4537d77fd8a2916e6c2a3942aff6fdf69463a512
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857863
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 93f4958cf49b808737fd99523c47c90ef64e40361ea5b813e29fdeaadf08af46
Median time: 1707857862
Difficulty: 4.656542373906925e-10
Confirmations: 1078
Chainwork: 000000000000000000000000000000000000000000000000000000000000091e
Bits: 207fffff