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. mupBAc74k

Height: 2286
Hash: 7906330f14aa6a509c9c3844393dc80da4e2ca4c4711b6f9cbe03ed12c15d007
Previous block: 79d5513c50b2e6dbc843781b5a0bb6ee97506589a4895ef8eb7d47df9be64ea5
Next block: 6bfe3f12402ed3beae03a19dabd0680ae4021631fcec6bda292d812b8a42bdf7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480990
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: d4e0bc2592aceaf06796fb36be56a4255ab88c440190a36b73b3c945055e6610
Median time: 1719480989
Difficulty: 4.656542373906925e-10
Confirmations: 6
Chainwork: 00000000000000000000000000000000000000000000000000000000000011de
Bits: 207fffff