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: 1188
Hash: 2479c6547a81ad137bd376dfe46f97f37814c769daf02bc4c799c48956cac4f1
Previous block: 2b26047725cea46c885ab172ffb2f6462ea750ed0494056479ad65b23b4559ca
Next block: 16627ceb1e4840fddfe852fd824f4a70572637cb08fe9a6057d700fb95e6b60d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857866
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: adf5e2643a3b05efc8f041d1c31ebf9238bf41bbe93d52c1da4aa205781921cb
Median time: 1707857866
Difficulty: 4.656542373906925e-10
Confirmations: 1056
Chainwork: 000000000000000000000000000000000000000000000000000000000000094a
Bits: 207fffff