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: 2395
Hash: 635a0618d637c11c2893ed3af94c56f7fe054969fa95af3d6cc8a83c8da15290
Previous block: 37387e66c9885face968b9ce468e568ac37d3a581600f8eab6576a9ad59abafb
Next block: 1f37936def3a6e5f71003e208d4b5254ae2fe4079d4844d9c5374871ad94cc37
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847286
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: edf87222e2b9fa5d4adbf1d483ee338e408386613f37665f426ce202ac1f1448
Median time: 1743847285
Difficulty: 4.656542373906925e-10
Confirmations: 248
Chainwork: 00000000000000000000000000000000000000000000000000000000000012b8
Bits: 207fffff