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: 2176
Hash: 4cde6a5fe8cba2bfa76e09e5efaf6d1b587f801a25e490e1e3dec124e1a9a93c
Previous block: 322a9cba5dc819e07f0affc288019ceb702e966eb776238634e8977a4327de5e
Next block: 06afc6daac3d5184b3279fd492eeb3c4adce2948cf034b843a230d4ce429336c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964799
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 74af56e7a39245c4656fcceec9c456f0a9fe31352ec0e4a5eaf2486d8bf1b183
Median time: 1728964798
Difficulty: 4.656542373906925e-10
Confirmations: 68
Chainwork: 0000000000000000000000000000000000000000000000000000000000001102
Bits: 207fffff