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: 1168
Hash: 406a5cbe6cb8abe22502f2360cd54949763c2a466566a1945b390cf14643e022
Previous block: 318d687c0654be7c0353da8d4537d77fd8a2916e6c2a3942aff6fdf69463a512
Next block: 631a24ed65e5a52001c7452f2cd0b2d4f457237ea084e4c652b8172e1ca2cad4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857863
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 6541d41336bd0757fcea217f5df7719d4f9eea565b04c5db701f8251a9e8ad7d
Median time: 1707857862
Difficulty: 4.656542373906925e-10
Confirmations: 1076
Chainwork: 0000000000000000000000000000000000000000000000000000000000000922
Bits: 207fffff