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: 333
Hash: 08aabadf793be297a465b311ac10613ca3778e4bbcad0262357645e35589127b
Previous block: 00c2baa208487d4b32e430104120649c7516570b371726c9eabcb896119797ef
Next block: 7e189836b60db633524d0129add76eedd7ffda5331856baec83b03b8589ad29a
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597923
Stripped size: 218
Size: 218
Nonce: 1
Merkle root: fe83783d3bd01c5aa0c24060a568c68924771d2563367479d9b9a40297d3873d
Median time: 1701597922
Difficulty: 4.656542373906925e-10
Confirmations: 1911
Chainwork: 000000000000000000000000000000000000000000000000000000000000029c
Bits: 207fffff