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: 1386
Hash: 651c08cb781067264754c3cdee3d27c4e2846b7e15c301debdcc1cb38da57553
Previous block: 007a377574dd6df7cd38d8b22df5a596fac62b2f802f3e86cbcae2f4e3e64b23
Next block: 3261fc178e3d2828efd15ca483a7bfaeb916b45cc266503576102a4cf9ad1d17
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697638
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 5d2d846d4e60fe8493695a5e95096c5d03d2b9a0e9166c57eb50294fc7004c39
Median time: 1718697638
Difficulty: 4.656542373906925e-10
Confirmations: 858
Chainwork: 0000000000000000000000000000000000000000000000000000000000000ad6
Bits: 207fffff