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: 1411
Hash: 35925950bdafa3bc9c3ec45d1ea06ebf4e332e0bfafb1a7d68d58345880c7f10
Previous block: 247609b293ade96c8df3fc673d4dceafbc9d176fdb1d1b8cc9d1734983153421
Next block: 0089a61b540a2624eb021d5d8cd056c8c80226e9b2b62b647ba45166091d7f01
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697643
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 6439a5b69b01cbfbd0a405794d6345d36e73ca4827b80412e822047101711365
Median time: 1718697642
Difficulty: 4.656542373906925e-10
Confirmations: 833
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b08
Bits: 207fffff