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: 1480
Hash: 44be4108cc480921ecf78861c0785b9c8a942db33a502a1ae21a92d41f037c3f
Previous block: 09dffd7b76016fd4f0dc8b031df1418201502dc3e6e08a0cb5a3941f12eea558
Next block: 77ab56a1906d600a24d2e5ea2940260520ac472793ba6f02c25f94b0576feac0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697654
Stripped size: 218
Size: 254
Nonce: 4
Merkle root: fbece720a8ee33894287931f46362c5d63cd8a79364b4f68daf6f970ccce82b0
Median time: 1718697653
Difficulty: 4.656542373906925e-10
Confirmations: 764
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b92
Bits: 207fffff