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: 34
Hash: 0f31dd8832c36fb086c89211b0b4d0b92136fa746becf71edce5047b006f03b4
Previous block: 747670c7db24e7b49432e149d97386dc18089c5e24bd0cf5bc34efd37fe77d69
Next block: 4c84d96ffe9dc4c117d09d5df23afd5d5a9202c1a2b871b98c2ec126cd913721
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597873
Stripped size: 217
Size: 217
Nonce: 2
Merkle root: 16cee8180806e688104eedc6bbc1982f3d799fb8e26a713f65a3b11290276277
Median time: 1701597872
Difficulty: 4.656542373906925e-10
Confirmations: 2210
Chainwork: 0000000000000000000000000000000000000000000000000000000000000046
Bits: 207fffff