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: 2256
Hash: 0817941e54eaae044276d798f3ac6b487a2aecb4e4b916b2f17ce53ae7e86bb4
Previous block: 0a0a08ded60caa717e7d011f97e63bffc8727c7ee3108d757b595fe53662a21b
Next block: 47f5bf575405dfc7a94d4275b8c249495ad03c66140215c275512b75ff6bd126
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847263
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 93c353662e23840c960075214c5095d0a071201bb27683d38b59fa34c385ee9f
Median time: 1743847262
Difficulty: 4.656542373906925e-10
Confirmations: 387
Chainwork: 00000000000000000000000000000000000000000000000000000000000011a2
Bits: 207fffff