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: 939
Hash: 14a7aaa8f537d95f10d32456bfce9831598a5a9d9987a59868522697756ac904
Previous block: 77b4fadcc15d647b9e6470193b762baa9b4884dfbc47e1ef66cb37b87f0d83b7
Next block: 66bde04d5f69da4b6c0c3f685bc856247a917a6dbde97d0bebad114a457b0b6b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857825
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 0c070d20761ffff57b93062ca1791c1dd25e598ffe61bb3a4d7a654c21c8bd14
Median time: 1707857824
Difficulty: 4.656542373906925e-10
Confirmations: 1305
Chainwork: 0000000000000000000000000000000000000000000000000000000000000758
Bits: 207fffff