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: 27
Hash: 34e69a326d0ea3c60d437d39cbff12167166fc8679a42d840415045be7e70930
Previous block: 21043eedd472a22bc30a51694f2f7ef2791cb7cb57bf6deeeb31331bce5b0783
Next block: 2b0ebfa9462631ebe3bb20ffa9fd2adf6e963b2292edf73e8bc6a5b65b9a391a
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597872
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: 875fc6b3199d3eee3c34ed0f67da40e64fc68587356badfd55e8465e5805eab3
Median time: 1701597871
Difficulty: 4.656542373906925e-10
Confirmations: 2217
Chainwork: 0000000000000000000000000000000000000000000000000000000000000038
Bits: 207fffff