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: 117
Hash: 7d9627e467313b2735de29d63be6cc75684af4553d59724193c96446d39e59d7
Previous block: 0908a5abd6b8181921aede39ac22299641efe826fa1c128c3a2406b0940c27ce
Next block: 1376204f7438771c6a4128a11c98a11f57f1e4de0013a201b51e0e1ce49867eb
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597887
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: 1dbe4d01ff98df21ddaf791c75d5b1135c3b53c8adaade48891807db5fd90771
Median time: 1701597886
Difficulty: 4.656542373906925e-10
Confirmations: 2127
Chainwork: 00000000000000000000000000000000000000000000000000000000000000ec
Bits: 207fffff