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: 2274
Hash: 593e333554fb04d4801a9f5bf12f70bdfca71e953cf75a79d06a826f3976aee2
Previous block: 5a1f39dbd6a8604249037fda1e1649cda80f704bdd500de09d6894b316a08a5a
Next block: 72e7182848480c23bee47ba93af25ebbaba99ce2f54b49e9f7e1e0c346c7d521
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847266
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 36b747ca7d27b8c7f63be221794f3f047033a4ed3977edd6260fe5c86c35a4dc
Median time: 1743847265
Difficulty: 4.656542373906925e-10
Confirmations: 369
Chainwork: 00000000000000000000000000000000000000000000000000000000000011c6
Bits: 207fffff