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: 1198
Hash: 625938ac91285abc1d62f9893075956e14dcf3b10afba45d86d1e9b4f2dd1c3c
Previous block: 09ce4d2a4fa944d5c6c47c2af53bbe3ca8f5ed3be406034b0edd6b8406943134
Next block: 5d4f934eabd02029266a67fc4138155e330f7900172aaa0781d882d5ed17522b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857868
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: cf9e443b1947333767164dbabd42cb107b0ad0028e952a189f3424ff4c0ea0ab
Median time: 1707857867
Difficulty: 4.656542373906925e-10
Confirmations: 1046
Chainwork: 000000000000000000000000000000000000000000000000000000000000095e
Bits: 207fffff