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: 2418
Hash: 6ae8de1b9c7f2897f50323fab613ee3bc1dd8565d93db3a5d097848f09e74a10
Previous block: 6088154ff928c97439842e8c50fcee1b6196da86637faf93e87c8ad35bbb1223
Next block: 6168df01c00ffa81dd2ceb860475f66289ecad398cefc30851cc3c2448d1e9a8
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847290
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b1368c1ca80a236af0fe7e3445fc07170a23677be5f08a5a362c90cd187dfbab
Median time: 1743847289
Difficulty: 4.656542373906925e-10
Confirmations: 225
Chainwork: 00000000000000000000000000000000000000000000000000000000000012e6
Bits: 207fffff