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: 2296
Hash: 780236e86331c84947d848e32c82d6cd85b811cac5651124fbdebfbc5a32236e
Previous block: 4a9fa3a8b69de5df5f6e51febe1dbac7511f9c29f5a2b7d47fa3f8e302c35c2b
Next block: 420fde101dea22f61e458c20ce19d70045e6254ed1da55dbb75d609838a52ad4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847269
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 507db1121043b5eb78eef7a3bcc5daad829407446bc67db4577f30419ff4aac5
Median time: 1743847268
Difficulty: 4.656542373906925e-10
Confirmations: 347
Chainwork: 00000000000000000000000000000000000000000000000000000000000011f2
Bits: 207fffff