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: 396
Hash: 382bf261f1f6096141c0c3a774e0eabe0b9257cee17ecb15e952a62753ce48f7
Previous block: 3510a522618afbd3c045165c0327b8cba5f86da983f62ea64872e1ddd2988fda
Next block: 56231df3c57be9398f583e7453a675058d16982aaba3c92ca78ada6758de6f62
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597933
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: e7efac64ffaec5302d4ff078d194eca2d27cf15d39b62c62ffd1313c548b1e17
Median time: 1701597932
Difficulty: 4.656542373906925e-10
Confirmations: 1848
Chainwork: 000000000000000000000000000000000000000000000000000000000000031a
Bits: 207fffff