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: 2029
Hash: 36ccb871bb89a8a6339831cbb33ad971568beba21a9713bd12ec744c539510b0
Previous block: 5b1b055691bdfdb74fc0d9570c33d2bfb8826e7aedb62a08b9cda5e0591b13ad
Next block: 4a5a59fd47f5f51dc360d7eb86670848783b3d37440efbd1b6635456a51b70b1
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964775
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: bbef239ecdfdd5aa3cdab24c3e339f24284763ded25006949eb5c2eff2c64f78
Median time: 1728964774
Difficulty: 4.656542373906925e-10
Confirmations: 215
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fdc
Bits: 207fffff