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: 1605
Hash: 6c37fc8b4dbd8d84b00011f37b5eb762c1f8a49f3c652df561b14fcba49f0452
Previous block: 1838e565dfcaf1c23de3d0820f55166a26fe8e41d925760b6d006c1f13446895
Next block: 5ef262c63d4127b4c0d258b4bd932bfe611dea15d39d8c6c38f458b2c36bc70c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697675
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ca2c5e7296d3e12c7f406be256226820d7bcb86fdde595ec1d79924bda1969bc
Median time: 1718697674
Difficulty: 4.656542373906925e-10
Confirmations: 639
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c8c
Bits: 207fffff