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.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1050
Hash: 2ac4eba0d857da8b10f2256ea62b98cbed2e20b3c8c8863c31b2503e1c5305c3
Previous block: 469c1e36ca42d043491d85a84f76655b253315aa8427c3ad6e49af76be6ff945
Next block: 7753ff8a0c0ed568bc479373b9e9a40a7cf69a6280b971d35da6b8e8facff0bb
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857843
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 8440990a9e2e14b6db22911e2b1ebe6d283770ddf47d9e07dfcb7676aa5bab16
Median time: 1707857843
Difficulty: 4.656542373906925e-10
Confirmations: 1194
Chainwork: 0000000000000000000000000000000000000000000000000000000000000836
Bits: 207fffff