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: 2005
Hash: 061b6434554fc2fd4143a77cf42c75a37256e5a79f28e1c15a24d6f0f1bdb246
Previous block: 1f13ca9fe2bf6b89279ebf4a61bfe565e9ee66764b57e7388a4d038736745e92
Next block: 2829cf152654a389733db80716c562445a8e1cbf574a9825d17b9ea9332f138f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159257
Stripped size: 218
Size: 254
Nonce: 8
Merkle root: c3af8fda97167f82f096e32f2174b5cb29b9a9beaeed630078712a7613e9d7b2
Median time: 1719159257
Difficulty: 4.656542373906925e-10
Confirmations: 239
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fac
Bits: 207fffff