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: 2409
Hash: 7bde3470f9524ca6a26718fb8bed0e22ea330a82b52e5005504316eebcd2689f
Previous block: 41a60bae981ad35096a7aef374ed2781dbf9a97b3fdd6d9b5f5c4c26972be2a2
Next block: 52a0536a903f10b793bca75b13ba26105b0e046081c6920f54af76a5b889de02
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847288
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 596dcd6d40899aa4174525a23e59face8702ec38d9270acc244568ea37dc857e
Median time: 1743847287
Difficulty: 4.656542373906925e-10
Confirmations: 234
Chainwork: 00000000000000000000000000000000000000000000000000000000000012d4
Bits: 207fffff