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. mupBAc74k

Height: 2211
Hash: 76e9aea8c1e3cce6cc460b8eace4b1bacf373280bcf316593fc25136d980530e
Previous block: 73762392be2c3b85890a2132d9a633d722884af59e1e71acbb957fafc6faf7f1
Next block: 5abb784f6c19c9b86079cbe5eb3c60db3475ecfeb26d8d625c15945e8b749628
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480978
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ebaef04b893ee3b9ac62a74ecac10b6e3f5b59b413776548de277f90ad882df7
Median time: 1719480977
Difficulty: 4.656542373906925e-10
Confirmations: 81
Chainwork: 0000000000000000000000000000000000000000000000000000000000001148
Bits: 207fffff