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: 832
Hash: 6a180935ef85ef3e961f8859a49c908041253a14a9db6b637dcc98dd828cefcf
Previous block: 5d692702a8c3e371a31953c750439806a13bb39f772424d3ef7b4a4ba6e1147b
Next block: 34db37600a9c866d148bbd61f3332ccc6148f7d2cc82b1c40b836ab372dc31e9
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857807
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ca91572201bbd93a5462b3829c41bd39e91451e743ea552207ab245e6c6c0668
Median time: 1707857806
Difficulty: 4.656542373906925e-10
Confirmations: 1412
Chainwork: 0000000000000000000000000000000000000000000000000000000000000682
Bits: 207fffff