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. mgqFp9Dhy

Height: 2184
Hash: 6b127b8bad1319b5fc286e41c81107101194b9e0ccda57870b05021922cb69bd
Previous block: 213e736583a5c6b75a3c68c3da9430e4449d360ffd32be70d0d5e076079ce555
Next block: 7059372f3c01bcdb7f4ffcac21abd1ed679c186753e644d4be4dc3ad8bcadfd7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964801
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: f6b023fff5c69aa604f800e13b773fdfa31545287f0f97cc36c28d8a5029fc68
Median time: 1728964800
Difficulty: 4.656542373906925e-10
Confirmations: 60
Chainwork: 0000000000000000000000000000000000000000000000000000000000001112
Bits: 207fffff