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: 2016
Hash: 5ea4905b496c4a3c28fa15463b252c8e1fd3928b5acbf130af824fc661574d03
Previous block: 3c0a8a961e4ec9568b4d62c9a446e480e721d5e52bf0066676ce096226dd1be0
Next block: 477747ed459181cbb6ebec29fd149c1ffe0e27775789872d9cf8f6642f1b76d5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964773
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 3d08d8d15e1e3e3cbe0b34f9e2b0eab0d88fc3e649b06c1023b419613864050d
Median time: 1719159258
Difficulty: 4.656542373906925e-10
Confirmations: 228
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fc2
Bits: 207fffff