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: 2094
Hash: 1afeceb6363b806a02e30c2c13a3dea4ac4c6eac30471e90894b931d0ad215e9
Previous block: 2fccec120528e69c3bb0cc2cb570a6ba9d50047f26168aeab81b4717b0f17d74
Next block: 18e16f38af186859be8e5071ba056694d16c6b83ca97ac809369e87f3e39ffbc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964786
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: f9a4c784128b16d636f65d3f52820b426fa0fbb7b563eecfce4449cee8dca661
Median time: 1728964785
Difficulty: 4.656542373906925e-10
Confirmations: 150
Chainwork: 000000000000000000000000000000000000000000000000000000000000105e
Bits: 207fffff