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: 482
Hash: 0685015087881d971775afec050ac46f08572b9b4255a1162a7d1c843098de2e
Previous block: 47951ec6d497a97125bfdad68389ef666fa0777a985973df362e7317c377bd35
Next block: 48e2e15ea9e716348ba5987aabcf702936a550b291849db572b7d597df904d13
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864224
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 25aaf0487b6391afe20c2677779f612e7de05483a3fda6088debaaa0bc0a33a4
Median time: 1701864223
Difficulty: 4.656542373906925e-10
Confirmations: 1762
Chainwork: 00000000000000000000000000000000000000000000000000000000000003c6
Bits: 207fffff