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: 1348
Hash: 084b87c50619480eaf75e9288483185e2a91294a2ffed391f3215f96283e04a7
Previous block: 204babf4fea8245330c33dfb782154acfa3db44af70d0c4658cd02a939b85a5d
Next block: 20f509055beb868be142994dc4045806c13eb48f9d1af6bfe101e862cd0bbfa4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697632
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 69681dabb44bb8855c3430d393c994ede33b8c955957032bfd46ac635afa745d
Median time: 1718697631
Difficulty: 4.656542373906925e-10
Confirmations: 896
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a8a
Bits: 207fffff