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: 2286
Hash: 38001f4f5bf6486281c70112f196e472fe2cab2ee24755ef041bd867680b8531
Previous block: 465096084492722942a02b1b12bb7a355b5c7cbe7202b07b8047f932a516edcd
Next block: 5d0f6df930d69c08685c01ede33c5326faf67588e49271923ba8b88540892312
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847268
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 14344e9e1e5348a71c0c5c7bfc2b85921f7d5052793790f4d927836b2bc4f73e
Median time: 1743847267
Difficulty: 4.656542373906925e-10
Confirmations: 357
Chainwork: 00000000000000000000000000000000000000000000000000000000000011de
Bits: 207fffff