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: 2295
Hash: 4a9fa3a8b69de5df5f6e51febe1dbac7511f9c29f5a2b7d47fa3f8e302c35c2b
Previous block: 74322f5c06c6c0b1609749f6608d7c892bf0eeb10ae4ae01701ac7ad97b295fe
Next block: 780236e86331c84947d848e32c82d6cd85b811cac5651124fbdebfbc5a32236e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847269
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 4c61d9d45889f56b88abfd87a744409f6df8401f21d888973a1588805ad5a83c
Median time: 1743847268
Difficulty: 4.656542373906925e-10
Confirmations: 348
Chainwork: 00000000000000000000000000000000000000000000000000000000000011f0
Bits: 207fffff