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: 2415
Hash: 24fd79ed0d1cfa0110e4f1489ec1c5dbd1e1edae8e1fe78eb929d234a43a531c
Previous block: 44c5a1f4a042a444502b038df30ba9534365d669f57478338016cb8bdbc91035
Next block: 2098519d5e677c28dad2d8e7acc9bff8420dcc7fcb01144e4c32e1991d2a1892
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847289
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 32f95e1ee989feaf790499fef49ed35bb06211f5baf6f161ad365c48b235762f
Median time: 1743847288
Difficulty: 4.656542373906925e-10
Confirmations: 228
Chainwork: 00000000000000000000000000000000000000000000000000000000000012e0
Bits: 207fffff