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: 2592
Hash: 06eae2f6ec978b67a3009c43b68355cac8505d5f7a7f3075e1959da1a4206ce2
Previous block: 17954ad2dec26a3a4cc4e91a00294cfea8dbb7519900154f24bdb8260ea23d3b
Next block: 4b1c7d93f772aaff4b7d7b18cd122531b8195331ba0540f0b0655f074babbe06
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847319
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 09612028643c6ea2d12d88a68de9bce4275294c4ecb55698b4da3cf7eb79abf4
Median time: 1743847318
Difficulty: 4.656542373906925e-10
Confirmations: 51
Chainwork: 0000000000000000000000000000000000000000000000000000000000001442
Bits: 207fffff