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: 1292
Hash: 4b80448eaf5aa37dd0dcd691ed7755364516fc2428cf1b9b7739c899da4b2488
Previous block: 7bc871ac66e9dda19906eb28b08474fd4a548d3c33fddf41c656ec55aa01c33c
Next block: 09faa72558587bbe05b3db1d90e5ae511256605923cc863d702e07e7cd76bc56
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697623
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: c296cfe36f34da09285ddc5ceb828c0b716e8e7ff9e448880f95738f6002f472
Median time: 1718697622
Difficulty: 4.656542373906925e-10
Confirmations: 952
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a1a
Bits: 207fffff