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: 1451
Hash: 611e0774b4c4ff8b6597756c759ec24ed6ed22cd44669729047bed48190e8bcf
Previous block: 6764ac1402c0644934f7f6c729b8ab1f0e9b75bdb141714b8a6cac8542481dc0
Next block: 37fc59206fe030c25637971e2345cdaa4eec51c0a207a4108bde57161dd7df16
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697649
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 437a4af551daf688aea976541add975bc4adfc85c76017de9b72927cb4ec4ec6
Median time: 1718697648
Difficulty: 4.656542373906925e-10
Confirmations: 793
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b58
Bits: 207fffff