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: 1121
Hash: 375d1a806fedeb1003eac9e7e85dafdfa19ab1c9a9bc8819533a48524b35b44c
Previous block: 65e7a1d99721962b6f4defec1e94f8032ac88a1a072ac757780c84c05478d1fa
Next block: 7e8c02d473b1bf0f572d4799467cb87cf3f8ab46a031105edd4c86e93521c7de
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857855
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c51a5ebb1f354e03c6d30812875d1ad3682834d9dd707aba1f10518f34d68b5a
Median time: 1707857854
Difficulty: 4.656542373906925e-10
Confirmations: 1123
Chainwork: 00000000000000000000000000000000000000000000000000000000000008c4
Bits: 207fffff