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: 1761
Hash: 38d2430e9f0ed447c4ee81e5e8b9f802751a02887a1052090c027f5e32ddadef
Previous block: 2f6162575104915a7060efaa839e1f7b426dd839ead4b46ebbcdcdc45304a844
Next block: 7cc71518cb4d0b0f21a963c0cc06e027012c95a54bc22f5abd301e170c39096e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159217
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: ae222a25f96fca6f115e860b2c103e8f48e89b0c3068a8cfb3f5a0793115fe43
Median time: 1719159216
Difficulty: 4.656542373906925e-10
Confirmations: 483
Chainwork: 0000000000000000000000000000000000000000000000000000000000000dc4
Bits: 207fffff