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: 2143
Hash: 008022e20fdf2117b29da8a01f8a5913633254656c62e23447c1d0246ce76b1e
Previous block: 34844cc34cba911c538f8c4c463281689130db703c7d3c4833b6d6f6a0ddd7ee
Next block: 6571052f52310defd84768153c0dc87bc5522224096ef82c89b61399073fec2e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964794
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b97b58a7d65d5c4638c2aa5083d98d25466051b608eb7f7cfd00d931c081ad63
Median time: 1728964793
Difficulty: 4.656542373906925e-10
Confirmations: 101
Chainwork: 00000000000000000000000000000000000000000000000000000000000010c0
Bits: 207fffff