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: 2619
Hash: 316fb10daa54e2aadb30cba20c9b7efb16c76046a71d5ba60352db8e4334691a
Previous block: 1120840fb5217e579a8369bc7c7bb35314a9a8ab0142fb3e270f4fcd990615a6
Next block: 75809d7f3db5a7ea5ae1ff39145e620070d9fe7ed7f48967f1facf6dc6661a9b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847323
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: f22d69c77d12f961e7dfabe3ba800b9cd80c7d371715ad6755d61f2a71f2b755
Median time: 1743847322
Difficulty: 4.656542373906925e-10
Confirmations: 24
Chainwork: 0000000000000000000000000000000000000000000000000000000000001478
Bits: 207fffff