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: 2330
Hash: 2ac6e818bd5ee3208a81c1b0eb79199622bccd17c5b3e5af50a8dc3ec0fa9bb8
Previous block: 4ec967884bd969c48e12d7b4bf286a775d3d05f70a373ce9a17a4fe5a6876fe0
Next block: 5b98bd20d0dbe480f4ca09196c6ed669a8df30a08802550f08eea10ee142ab97
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847275
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 554e7156adc4795fd32cf8f013df416368c4552ca197a5c40ef6dc818e337d87
Median time: 1743847274
Difficulty: 4.656542373906925e-10
Confirmations: 313
Chainwork: 0000000000000000000000000000000000000000000000000000000000001236
Bits: 207fffff