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: 1125
Hash: 710a1c8b17e2c22c3af7fc906312885b97e9da2859db3b9f312b4530681400e9
Previous block: 009e4a4fcd85b8ec5da17ae3a9bfd9d719d0ebc78df8cad2e131357402d0aa9c
Next block: 1fb1c3ff5f7d162e0679bb1fbf82d796e66b0d696f304cc874c2b767dd42ebf5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857856
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 941a70ad56acb0a2de7fa4b7bf570f561c11cc493ef338488e8279cbf6ef5fb6
Median time: 1707857855
Difficulty: 4.656542373906925e-10
Confirmations: 1119
Chainwork: 00000000000000000000000000000000000000000000000000000000000008cc
Bits: 207fffff