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: 74
Hash: 105b2c0450a55bdfb99d8a755c266fe2db65902755e58a39b2c8836fe8c5d103
Previous block: 7111d3bf026d796bde1b66d02d30cc7a3760d973d584a5c7992a4381901b282d
Next block: 3ddbdddd0d0ef65a8da77f4593b839a0596d2945cf7d28858fb503041ed8f1d9
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597880
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: c645e4e86e59ab132e0b24f590ab40bf8eb93733748693997d595e6f2d674937
Median time: 1701597879
Difficulty: 4.656542373906925e-10
Confirmations: 2170
Chainwork: 0000000000000000000000000000000000000000000000000000000000000096
Bits: 207fffff