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: 2533
Hash: 2b36f1d78dd8682a71920685595443b97e23e6c774827b2f43223fa372b594ef
Previous block: 3d6745d3b1586994fac0271890060f1acf2a965ac7e34ac25fba51922ea7800d
Next block: 18d1db2a21ceec8a3c766958a6d6c6a66a795bf525e68b56fa26a52ad0d66a7e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847309
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: a82a3d646cf6f9e4fa5b0cdb6c5152fab7a35d81ccbeffaf94403f04d132bc9b
Median time: 1743847308
Difficulty: 4.656542373906925e-10
Confirmations: 110
Chainwork: 00000000000000000000000000000000000000000000000000000000000013cc
Bits: 207fffff