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: 1049
Hash: 469c1e36ca42d043491d85a84f76655b253315aa8427c3ad6e49af76be6ff945
Previous block: 381011d5b53b2a49fd0e61a8f3bca9fce054ed9ac5b0c4dc6070a3a9fa7c31c8
Next block: 2ac4eba0d857da8b10f2256ea62b98cbed2e20b3c8c8863c31b2503e1c5305c3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857843
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 0af26fe184ac1b942ab314d1b2bd338514b042a1e09d1ed33e39c8037f45544f
Median time: 1707857842
Difficulty: 4.656542373906925e-10
Confirmations: 1195
Chainwork: 0000000000000000000000000000000000000000000000000000000000000834
Bits: 207fffff