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: 2174
Hash: 2124c8b2967ec6286cf6399d7103dd2275ef5293680bbbacd9fadf2c82fec470
Previous block: 72ccb82543c4717c901f1a2dbf79f0bf8423733f9e4fb5fa3de13f978eb07a42
Next block: 322a9cba5dc819e07f0affc288019ceb702e966eb776238634e8977a4327de5e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964799
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 38f6cd7be9ac692d6b7376a622392d12cff3783745966f11acf73d18a7107817
Median time: 1728964798
Difficulty: 4.656542373906925e-10
Confirmations: 70
Chainwork: 00000000000000000000000000000000000000000000000000000000000010fe
Bits: 207fffff