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: 2227
Hash: 70c7ad2680ef8f43f2054fdaa61a870fca2a9503d1bb03b0028fb96fcadc4127
Previous block: 0f7b59b8713ad65b12ad595b7bfc2679d876ca7aa13227f0b03f11dd7c07455c
Next block: 1cf866520d0db9b5174643c96d0a96163614eff04e305c9771e98eb93fa07f01
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964808
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: f78c19fdc21faf52ab8b82b197efc63b207b3cc587d14774f30c665548ce29e8
Median time: 1728964807
Difficulty: 4.656542373906925e-10
Confirmations: 17
Chainwork: 0000000000000000000000000000000000000000000000000000000000001168
Bits: 207fffff