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: 598
Hash: 7079cc729cc22fadac138dbef9581e69836044ebdcce3f15ba4ea384d0ae89b0
Previous block: 721ae4578a159a19cf6712324fa1056f49da4d30d003cdffb0926ab7b79f939f
Next block: 7dbe0f9e42ca5abb3f75558119452876f24dbfe61b59e21640c183299f60a095
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864243
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: cf2b6f8ddefe4b28a4bd25ecc7af8ba8f9ab3490bd7519363f6c6118e5b63057
Median time: 1701864242
Difficulty: 4.656542373906925e-10
Confirmations: 1646
Chainwork: 00000000000000000000000000000000000000000000000000000000000004ae
Bits: 207fffff