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: 2058
Hash: 636339fee2f1903b7c15478b3781a0f906525a9cdd7bc4461710c3b40e592ca7
Previous block: 6b6451935d77010f389e95d05ddae2873bcef5a31b26ee05ac19c28f60742e43
Next block: 046548a93e8230d5d7dffe2546b99839ce08715747eb5170497609e2c6e5e9c1
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964780
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 025b3bd2489b6ab313bd1014de7df0109afea5315da887220cf3a906bf2cf596
Median time: 1728964779
Difficulty: 4.656542373906925e-10
Confirmations: 186
Chainwork: 0000000000000000000000000000000000000000000000000000000000001016
Bits: 207fffff