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: 1169
Hash: 631a24ed65e5a52001c7452f2cd0b2d4f457237ea084e4c652b8172e1ca2cad4
Previous block: 406a5cbe6cb8abe22502f2360cd54949763c2a466566a1945b390cf14643e022
Next block: 366d35e51eb1d4c7d14fa7b6784bc8e7cf16aff524a6ed63ce535d2df06894fa
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857863
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: fd5cf8ca5cec35f138de0b215cafd73323c1e356ca696a81fd8eed52a6e8960c
Median time: 1707857862
Difficulty: 4.656542373906925e-10
Confirmations: 1075
Chainwork: 0000000000000000000000000000000000000000000000000000000000000924
Bits: 207fffff