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. mgqFp9Dhy

Height: 2175
Hash: 322a9cba5dc819e07f0affc288019ceb702e966eb776238634e8977a4327de5e
Previous block: 2124c8b2967ec6286cf6399d7103dd2275ef5293680bbbacd9fadf2c82fec470
Next block: 4cde6a5fe8cba2bfa76e09e5efaf6d1b587f801a25e490e1e3dec124e1a9a93c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964799
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 87d6a0353da10a949e2fb2ba176482736e4a1ee12606eb0cbc7ad08a51ee6a95
Median time: 1728964798
Difficulty: 4.656542373906925e-10
Confirmations: 69
Chainwork: 0000000000000000000000000000000000000000000000000000000000001100
Bits: 207fffff