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: 2401
Hash: 7232decf629c4cce855c2d6d56f4dbf5078a6ca9e4abe85dd85dd16b176eb675
Previous block: 13741cefcba41c35fff6c69e66c41ee9f5ad078e4ff9f4fa45f1534361c288bd
Next block: 5a958ccd74687e399afc2e8c1a9a06bafed76f3eed22fe18ca35617b63b8be10
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847287
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: bd2ab275de1d11cd3812013f8b76d2d7112f2567e87c8967bfd187def7e2390a
Median time: 1743847286
Difficulty: 4.656542373906925e-10
Confirmations: 242
Chainwork: 00000000000000000000000000000000000000000000000000000000000012c4
Bits: 207fffff