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. mgqFp9Dhy

Height: 2215
Hash: 5d05b1c964f8f48091218f86103cec58033abdf959f73799e24caed5029f8618
Previous block: 53d7b754831fd244e4321a547777328456e3db9216a86bbb8721a0e522454d35
Next block: 7e2ef69c8ef503e17aef2b4dade52932c619c66e9bcf82522b84ce8a7fc1d2f5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964806
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 47a5479afe549262504c51773fd41949477b782307d9933a638bb7b66c642c88
Median time: 1728964805
Difficulty: 4.656542373906925e-10
Confirmations: 29
Chainwork: 0000000000000000000000000000000000000000000000000000000000001150
Bits: 207fffff