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: 2222
Hash: 3307b1a8196bdcfba3473693c433faa0500ce5ee1c179d455e3bcdca631e85e0
Previous block: 7d846c3695ad6669f132f358b90cba8417620ce51d39a278b6bb8cee6c22a1a8
Next block: 141b943695f93cf5cb79c3b0a4ad894badbfce7e64f773feca757044fa8a7b79
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964807
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b7cd00abfb9200df6f1b4702753e4cfe151ba66d9630770075fc90cf216b7a21
Median time: 1728964806
Difficulty: 4.656542373906925e-10
Confirmations: 22
Chainwork: 000000000000000000000000000000000000000000000000000000000000115e
Bits: 207fffff