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: 1860
Hash: 130c48f538d52d2e78a8be99293697a95201adb54d27cff01afb85aae431a969
Previous block: 10084fac3b8b2d6dcda154c94c9471676ba907a6a32c5c07480bbc539d6cdd92
Next block: 0dc6d8124a34754564af54e2e3514073e5efb80137dc2150c6497906013bf0f5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159233
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: d6e02b898b35a4b022d8cb3932a37afc74bd0331280aec5bd9005efc1d43e137
Median time: 1719159232
Difficulty: 4.656542373906925e-10
Confirmations: 384
Chainwork: 0000000000000000000000000000000000000000000000000000000000000e8a
Bits: 207fffff