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. mgqFp9Dhy

Height: 2160
Hash: 6aa2ad10ae7d01b7c59e1e2ba194691aedad0a7511563869d9fa0ce524a82a4b
Previous block: 0446cd80644644d86dd029f13b093f555de803b80a8df92e0006be9914a18199
Next block: 51a58f953b4399dd1759ca72a41fe3f900d7358f63e65af6b4513492fb1ea479
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964797
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 7e3d884689bcbf047cc7fbeb1363e6a214c1db71f94300a093bc151c131d830f
Median time: 1728964796
Difficulty: 4.656542373906925e-10
Confirmations: 84
Chainwork: 00000000000000000000000000000000000000000000000000000000000010e2
Bits: 207fffff