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: 2179
Hash: 7fced4a334fe703bf7ab8e783172836ada117d0fe5e4c0a825eb9a69e44aa2df
Previous block: 46fb2e884db09b3d07278ae656e15247a024692f892cb5a60a67fe49f43ab483
Next block: 7d6fcb092721d5fb2a9eb24505ecb20c44b27a5948d3a92aebf0b051e8cf8a05
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964800
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 01a7a97ed64d61ae03b8b52541cfd88c2269edb40b4cc281b28b9d1be1db12e9
Median time: 1728964799
Difficulty: 4.656542373906925e-10
Confirmations: 65
Chainwork: 0000000000000000000000000000000000000000000000000000000000001108
Bits: 207fffff