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: 2234
Hash: 7369a598402be129577c7940791e705857a606e5807cb50e5bc7d0efba61ac2c
Previous block: 5debb570cd5f5589c227a988d1ab3e8c68eae96cb605b114f86706c6d81117d3
Next block: 0e43395f76b0f3a74f77e11ebdc4380ac3c00cac8df7d3dc539b601d3cf46bf2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964809
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 306bfbd073803f38230f8df3095ef82ee74615cc8f9ad07cbfb064693f01c630
Median time: 1728964808
Difficulty: 4.656542373906925e-10
Confirmations: 10
Chainwork: 0000000000000000000000000000000000000000000000000000000000001176
Bits: 207fffff