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: 2062
Hash: 4d2df0d28abd3bddad13517ef257a7e4cbfe9d83132d08c885c7a79f95f2a02d
Previous block: 128276893efb8cc1c7d2509b2537d8bad8c92c91916f7ef6c5843876168a50d1
Next block: 7d24d852f2b5130f0745a9bb0df85ea0b3fabc17948e16e692f8ce34a3e3dda1
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964780
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: cb07cbb56bb700f161fcb3f25ef5eade304d8906f37d5e44b07a97f8b0592300
Median time: 1728964779
Difficulty: 4.656542373906925e-10
Confirmations: 182
Chainwork: 000000000000000000000000000000000000000000000000000000000000101e
Bits: 207fffff