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: 2202
Hash: 5a4ee98c19d66e0dbc6cf98ec43c4f168c9de631aa6e9b18ffac2a100bea15f9
Previous block: 26b4fe4dc336a07a4ac59c1f5457972831707a8a1bb8b7f751ab71d6b2f4fa24
Next block: 7ac3d873ffd870df6f0a4f0c0fb898f0ec1f2d9c48bd7ab03b3f1ed3099a69d4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964804
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 387c20f8a277b23f3d117a7399cf4254707a963b6563c34c32de1243c78cb61e
Median time: 1728964803
Difficulty: 4.656542373906925e-10
Confirmations: 42
Chainwork: 0000000000000000000000000000000000000000000000000000000000001136
Bits: 207fffff