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: 1036
Hash: 18d006495ea8fc23867dab0d12156ca512199bc342ef17992310c54e3d797723
Previous block: 7fb91a7d074ee50c375a65b15ea060045654b1f98633b7849f924430adb55002
Next block: 7be1050e8cf09f9d4ad838467b7c9d131fb75f10a6504f937fc68a389880a6d8
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857841
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 055334ac8cb10d1c2a58c46ed843c9fac8301a08d4b2732e633e65959969bdd5
Median time: 1707857840
Difficulty: 4.656542373906925e-10
Confirmations: 1208
Chainwork: 000000000000000000000000000000000000000000000000000000000000081a
Bits: 207fffff