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: 1126
Hash: 1fb1c3ff5f7d162e0679bb1fbf82d796e66b0d696f304cc874c2b767dd42ebf5
Previous block: 710a1c8b17e2c22c3af7fc906312885b97e9da2859db3b9f312b4530681400e9
Next block: 7467481aead356ce220398a8bdcd7f8f9f24c0c569907467d0a1f4a9487c1f27
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857856
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9da85c8126855a06e573b1fb1499fc38d3e4da8594393104bcf3ab0ccfef17a6
Median time: 1707857855
Difficulty: 4.656542373906925e-10
Confirmations: 1118
Chainwork: 00000000000000000000000000000000000000000000000000000000000008ce
Bits: 207fffff