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: 2386
Hash: 403709f7602486d9b06c24bc7d0e8b0aaca5ffaf6de8fa57bd873751797c744b
Previous block: 25be1d89749f038c14537453d74c800bddcc8f03fec4144d5bdc27ad89b0f2ab
Next block: 0e17d8afeae209306ee4698a373099e27340b81b70f56dd530208259dc77d318
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847284
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 746f990d5a1ff64f3dcef2d38fd02d91dc9c5c3dbfb7de7e32ff289b8a7afc27
Median time: 1743847283
Difficulty: 4.656542373906925e-10
Confirmations: 257
Chainwork: 00000000000000000000000000000000000000000000000000000000000012a6
Bits: 207fffff