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: 2282
Hash: 2f67f792796dbe102caeb0a1ffe593d8d3b383b886d04b516f9d9c0d10aa0ba2
Previous block: 5db90ba16e253239b239f2a098e966e86e1525889846e7ce5a89349442583970
Next block: 68229eeb1dc6f05229e28c7e96f03a11a8b68d0a843819fcf75aaba27585b82b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480990
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3c7867c3604f8ecc8254e5604e55f55f3e8867634eae52ab8c28c22733741e92
Median time: 1719480989
Difficulty: 4.656542373906925e-10
Confirmations: 10
Chainwork: 00000000000000000000000000000000000000000000000000000000000011d6
Bits: 207fffff