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: 1124
Hash: 009e4a4fcd85b8ec5da17ae3a9bfd9d719d0ebc78df8cad2e131357402d0aa9c
Previous block: 24376871873a25da3c9a686d49e20ea97d24a96f992ed47a039538c1561459a7
Next block: 710a1c8b17e2c22c3af7fc906312885b97e9da2859db3b9f312b4530681400e9
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857856
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3ab3fd50a0c25e71380ae3d8c49115499d3c6c15e98b66aa62cd62a72e0a8b98
Median time: 1707857855
Difficulty: 4.656542373906925e-10
Confirmations: 1120
Chainwork: 00000000000000000000000000000000000000000000000000000000000008ca
Bits: 207fffff