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: 2481
Hash: 45b95b5970fc99f72d8d98220825e39c74a3eec7a929c6fabbc0c2916b66d41c
Previous block: 39802cd860de8dccb44a4283d2647f540fd19258861c351bed332c9d0bf4d9e6
Next block: 483fd6160f2f9389fa7c46da6b7b10926c7c33a6045fb8becf4f08229ed9ebc0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847300
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 85a5440ced8ae7c4319f19994c913c60232526faca2465b663a98816843cb598
Median time: 1743847299
Difficulty: 4.656542373906925e-10
Confirmations: 162
Chainwork: 0000000000000000000000000000000000000000000000000000000000001364
Bits: 207fffff