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: 2285
Hash: 79d5513c50b2e6dbc843781b5a0bb6ee97506589a4895ef8eb7d47df9be64ea5
Previous block: 57b8d4f04919e9d961de0ffc23c648283902b341d0677a09c58fab1a024f6583
Next block: 7906330f14aa6a509c9c3844393dc80da4e2ca4c4711b6f9cbe03ed12c15d007
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480990
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 408773bede3f6dbc86598cbf705a776c8171620c2bccf56c0ce11c42d9a67e1d
Median time: 1719480989
Difficulty: 4.656542373906925e-10
Confirmations: 7
Chainwork: 00000000000000000000000000000000000000000000000000000000000011dc
Bits: 207fffff