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: 2007
Hash: 4ebee188d7f8163a0c0dcb25a7f9a390d408833b8bb82533f64d0ae317e7096a
Previous block: 2829cf152654a389733db80716c562445a8e1cbf574a9825d17b9ea9332f138f
Next block: 14a880525e4773c91682e95904cb17573b89c4addafe7827120ba9de25929d3d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159258
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 58647a0adf3c02fe247f0e09ddd6523ea380c89564ff2bb560ba9d37104e4567
Median time: 1719159257
Difficulty: 4.656542373906925e-10
Confirmations: 237
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fb0
Bits: 207fffff