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: 931
Hash: 73a718a92b9990a3450d356bd443060d732509ee031e0d43679d0160117f41f4
Previous block: 679868c6ef57a4c8189fec55a7ee578aa62fb10ad0cedb358041c24647aedc73
Next block: 7e75cac55ba42a176015d87c5e0294f3eec7ecde72261728e6f48058ea0bea9b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857824
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a75df487ba44a82efd40468e0d5258a9139db72e3f0f7891416d3ce667640e88
Median time: 1707857823
Difficulty: 4.656542373906925e-10
Confirmations: 1313
Chainwork: 0000000000000000000000000000000000000000000000000000000000000748
Bits: 207fffff