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: 2608
Hash: 7e489eb9bfc54cf0a1a43622843877a9d390525bc9146b8d9d872a431299e53a
Previous block: 11108d67f944a784c2bbac09a554b1694dc620eba252f0f203b7702520b2f9e8
Next block: 1a82069a1b2597994d63b086e182bb80146f094923683afc0863ec1d88fefac1
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847321
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: f06ea9579771af7d8e6dabeca9af86c6d2b42f46f2fcdcd1708ddef58245493d
Median time: 1743847320
Difficulty: 4.656542373906925e-10
Confirmations: 35
Chainwork: 0000000000000000000000000000000000000000000000000000000000001462
Bits: 207fffff