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: 2260
Hash: 5e6a4dffbd4db3698906560ae1a3af4468fdf0568b0a573906e0842f374277f8
Previous block: 53c610773f0da7f7884aeaf4997ad87b0f46fb90c0b1005c74be7cab5d58f650
Next block: 5f98525ce609bdac058e53a60e0d0f5ed13c672e99b84a01c61fba32488ff414
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480986
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 1b773003059b14c8f495f79164fa2362444c25c452a867f8bc29127a30a6ec83
Median time: 1719480985
Difficulty: 4.656542373906925e-10
Confirmations: 32
Chainwork: 00000000000000000000000000000000000000000000000000000000000011aa
Bits: 207fffff