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: 2
Hash: 3602bb0b8fef195943f203846cc63fc09d9ef70a94918f9faa58ab59d2560f3b
Previous block: 05a6a908c71fb92ba99adb31eda2451422ce913f7365685163f8c1a1a268c7c0
Next block: 7083a6f9565b75cd36e0c8333bd1ddcde8cf6bf15dfb841fe3107ab452ebc791
Weight: 864
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597867
Stripped size: 216
Size: 216
Nonce: 0
Merkle root: f875d70b5bb956a6e6a780a901be63f165f3f29367d803d54b2f199710a068aa
Median time: 1701597866
Difficulty: 4.656542373906925e-10
Confirmations: 2242
Chainwork: 0000000000000000000000000000000000000000000000000000000000000006
Bits: 207fffff