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: 2287
Hash: 5d0f6df930d69c08685c01ede33c5326faf67588e49271923ba8b88540892312
Previous block: 38001f4f5bf6486281c70112f196e472fe2cab2ee24755ef041bd867680b8531
Next block: 0ca86f0c5bbab6701aa1780fd2fed97687faf052716154cfa964832f68042402
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847268
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 0df9c20a2f6379765fc8559058965b5dbbd3c4489473372e9bf0ba4de765baed
Median time: 1743847267
Difficulty: 4.656542373906925e-10
Confirmations: 356
Chainwork: 00000000000000000000000000000000000000000000000000000000000011e0
Bits: 207fffff