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: 2480
Hash: 39802cd860de8dccb44a4283d2647f540fd19258861c351bed332c9d0bf4d9e6
Previous block: 3ad553f108ab9c5a14a73b9b2f3027a81a2800773791e5539923116b3687813f
Next block: 45b95b5970fc99f72d8d98220825e39c74a3eec7a929c6fabbc0c2916b66d41c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847300
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: ef2665e28eaf8e270f9513dc9755b94fee8a4c556851a7366f44f7999c8da634
Median time: 1743847299
Difficulty: 4.656542373906925e-10
Confirmations: 163
Chainwork: 0000000000000000000000000000000000000000000000000000000000001362
Bits: 207fffff