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: 2634
Hash: 54f2809d780e278fabb49140e3c60245b59b13b9cdddbf0d790b789fa189e31e
Previous block: 23e0bfd849c1f8ab02455dcb583ae93e5cc829a72f3f29858359de3b7a61326f
Next block: 1ab47c9425a3757c4cc83c1e9d03d7e8bdd158698ad57d5a85be0ca2dc16fe54
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847326
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 6b75e5ce23e111d38ba62adfdc1e475e49108bdad1f995143eaac21758769822
Median time: 1743847325
Difficulty: 4.656542373906925e-10
Confirmations: 9
Chainwork: 0000000000000000000000000000000000000000000000000000000000001496
Bits: 207fffff