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: 2079
Hash: 66c4c2a2441414e5197fe2781d123ff71cd6b8aacdfe0adab8cb0ff7cb772d9d
Previous block: 3616aab787854bf6c8f209760d719c3c827583212ecb90eecb658af7a6aec255
Next block: 62568fbc8f5645172acdfad330cdc21299602860d615ada6381657091e28ea69
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964783
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 622a76e154a7a2bd9d05607d378fa2103daf52b7a2410780bc98698d2bac9ec7
Median time: 1728964782
Difficulty: 4.656542373906925e-10
Confirmations: 165
Chainwork: 0000000000000000000000000000000000000000000000000000000000001040
Bits: 207fffff