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: 992
Hash: 4665ad0f70e003760744e5bbe29a7bd711a686076c16ae1a034c8f77a8543203
Previous block: 3608c0a2a89d976744c79431fbe417abf21b2e37fcd266848ad5770628e16b1f
Next block: 5788c5fd49bf6fdd246e8fe61a3d3c13bdbfbcf01acf2785d1ecf6584cc0fcf3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857834
Stripped size: 218
Size: 254
Nonce: 5
Merkle root: 0f7fb6477384815b005172e0a0e488c8ac50375ee4aaa4c8195c0099662fca82
Median time: 1707857833
Difficulty: 4.656542373906925e-10
Confirmations: 1252
Chainwork: 00000000000000000000000000000000000000000000000000000000000007c2
Bits: 207fffff