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: 1161
Hash: 09b5201df0fb4e12d1c84a176fb4037b8a4aa46455557ae2695f5bf86bb6d443
Previous block: 22bd6c33246416f5235a63dc82d5f7a7b94fe1e1334e5c860de2441b469dc1ef
Next block: 2cb61806c8cd270475112926d0e84832a4525b90ec3bee164705379604767151
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857862
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 1c0a425de1ac3db0e0942b7c80d3660d15f4719044b759a34da246294ad913aa
Median time: 1707857861
Difficulty: 4.656542373906925e-10
Confirmations: 1083
Chainwork: 0000000000000000000000000000000000000000000000000000000000000914
Bits: 207fffff