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: 1086
Hash: 2ee358149776a6f8b2f143b3341e97d17688a680e9878eb761b01739f2731206
Previous block: 7d9c9fbe0284931d20bed888c483d07f76573e116c972180983ef352b1e6b7fa
Next block: 7c3f3bfa24fbf7bb2f1b33cc1636e51902371d9a263f591daffa902557a613b1
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857849
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 44fc7255273825a764cd492499890fc9847f78883c1cc54d739cd798a10f58cc
Median time: 1707857849
Difficulty: 4.656542373906925e-10
Confirmations: 1158
Chainwork: 000000000000000000000000000000000000000000000000000000000000087e
Bits: 207fffff