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: 583
Hash: 1783b7e879c88cd4f481a3e96c254e37bf440add79ac4fadae6bfa70eb0fc001
Previous block: 430836aa9fee3ae69be602cb49c5b29eaaa46052aedbd908f5bbcc2a33239acc
Next block: 42d4206ba5ee63a129c1667d245eea5af7b9f81f535ab3739b3dfb02bfb1ff6e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864241
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: dcb134d08245725bf919d6fd0390aafffb63fa406ada1fa00ced809ad9e28cbf
Median time: 1701864240
Difficulty: 4.656542373906925e-10
Confirmations: 1661
Chainwork: 0000000000000000000000000000000000000000000000000000000000000490
Bits: 207fffff