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: 106
Hash: 02e6912b026c1445cf45ea704d7dc07d2073287ad011fdbb4047f474d78dc832
Previous block: 3863bf7e418b52ef7fa24259846dba62a26cc75e0858322046b69e112e4072e0
Next block: 60622c13a45faa94094ceb427e1dee6da9ceaf27a9951d6d949393ad37e9def1
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597885
Stripped size: 217
Size: 217
Nonce: 1
Merkle root: 1a8f4070f3b40e04b8056cc21f85d79393b53706674427ff8cbf462246e822ef
Median time: 1701597884
Difficulty: 4.656542373906925e-10
Confirmations: 2138
Chainwork: 00000000000000000000000000000000000000000000000000000000000000d6
Bits: 207fffff