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. mxMfLjAez

Height: 2471
Hash: 6079fee15f97238a4d913a36595577a886765c6180fa86180f54c6f7d4ba57f9
Previous block: 15c5d986312d0ba91768d5bd099e14b601410138ee40c078fb12aac89a883926
Next block: 36a36757f3977914a95e68410d70a3943ffa3700637c7f1bdedc0ec9cac2db80
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847298
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 7bf808ea5102715b23de3cdc4c125418a7dcf0357932acb271cdae4cde93ab79
Median time: 1743847298
Difficulty: 4.656542373906925e-10
Confirmations: 172
Chainwork: 0000000000000000000000000000000000000000000000000000000000001350
Bits: 207fffff