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: 1606
Hash: 5ef262c63d4127b4c0d258b4bd932bfe611dea15d39d8c6c38f458b2c36bc70c
Previous block: 6c37fc8b4dbd8d84b00011f37b5eb762c1f8a49f3c652df561b14fcba49f0452
Next block: 7425b17b66426fcc4a52862cb9900dc81dd866905ed96c133a252b9c513a7a6b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697675
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 1c7a4b27455b8147b1b052f6a678af2c0917f86ccdd81fe408bbac8461714f9a
Median time: 1718697674
Difficulty: 4.656542373906925e-10
Confirmations: 638
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c8e
Bits: 207fffff