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: 1832
Hash: 495bb1a9370f86ce52307a1b1db7202cf43fee28c9ccbffb16dad86b1bcb9ad7
Previous block: 13a63abeadd82db15cb3f076ec40f171e64f73f56199c2bd87f28474d09c1f2a
Next block: 7d0ed73fc738444673eb86d324cb0b13975d3f739adcaafb97fdd7ff7446a8c5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159229
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: d85888834dc047fc1d52eaa5ea151694cec2169c2039953c2dcd8a4f32e24348
Median time: 1719159228
Difficulty: 4.656542373906925e-10
Confirmations: 412
Chainwork: 0000000000000000000000000000000000000000000000000000000000000e52
Bits: 207fffff