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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mgqFp9Dhy

Height: 2185
Hash: 7059372f3c01bcdb7f4ffcac21abd1ed679c186753e644d4be4dc3ad8bcadfd7
Previous block: 6b127b8bad1319b5fc286e41c81107101194b9e0ccda57870b05021922cb69bd
Next block: 5d0d4d7d910d898c819ce73b18f037bac493377fb0b78a66950fb2a0ec21662a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964801
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 1b781693a8edc5a056fa8f80dbe5ae5ae3de01a997b03cb45db43584d54c4ddc
Median time: 1728964800
Difficulty: 4.656542373906925e-10
Confirmations: 59
Chainwork: 0000000000000000000000000000000000000000000000000000000000001114
Bits: 207fffff