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. mupBAc74k

Height: 2261
Hash: 5f98525ce609bdac058e53a60e0d0f5ed13c672e99b84a01c61fba32488ff414
Previous block: 5e6a4dffbd4db3698906560ae1a3af4468fdf0568b0a573906e0842f374277f8
Next block: 1d82044759a8918519e564c41193f4772ad7dd0f1946404a8133573fad641ae6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480986
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 2cc5e04bd3171df3febc6d29d748f4a0bea4b4ea3d20b14e67421592d8108dae
Median time: 1719480985
Difficulty: 4.656542373906925e-10
Confirmations: 31
Chainwork: 00000000000000000000000000000000000000000000000000000000000011ac
Bits: 207fffff