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: 1760
Hash: 2f6162575104915a7060efaa839e1f7b426dd839ead4b46ebbcdcdc45304a844
Previous block: 221515f58ecfdc77a3b77b48bb5a98fd8d8bfdc6e16375975b999dae38a424c4
Next block: 38d2430e9f0ed447c4ee81e5e8b9f802751a02887a1052090c027f5e32ddadef
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159217
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2f65a7d44f58f32a26fc407ff804343068355964541a7ffe6bec159889207402
Median time: 1719159216
Difficulty: 4.656542373906925e-10
Confirmations: 484
Chainwork: 0000000000000000000000000000000000000000000000000000000000000dc2
Bits: 207fffff