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: 2452
Hash: 08ff25d1cad4eaa8f5bbb89a647c62af6e7958f076be2924bff82dde9411173f
Previous block: 7fd51c7fc4d09194ba14be078854c76c8bfd50ebc28888683a265b87e72d5f2f
Next block: 6ebdf64f7dd0e5acdefad77774a09a07372eb48fd64944b441fc033e729b2d40
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847295
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 87f11fe376192310194f3c0e1ee483285240c9b081988d7f1980f758f2224ad4
Median time: 1743847294
Difficulty: 4.656542373906925e-10
Confirmations: 191
Chainwork: 000000000000000000000000000000000000000000000000000000000000132a
Bits: 207fffff