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: 282
Hash: 2beb27c9c1e1305b054d4ca1d0f60b0584a96eb1e0e48246cef4a536c0bd5efe
Previous block: 5b1fa858783469db04284a77a1b540e0096abab07b2fc9387aec0adc86f875a0
Next block: 6dec4b2d7b9c0760ad806151ae4b8d1cf1294df55fcbeb341a1a10ad7151da61
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597914
Stripped size: 218
Size: 218
Nonce: 5
Merkle root: 53a8316f898deea5c2768924f71ce68ec681c37dd96b5ccbe574ecedf46691fb
Median time: 1701597913
Difficulty: 4.656542373906925e-10
Confirmations: 1962
Chainwork: 0000000000000000000000000000000000000000000000000000000000000236
Bits: 207fffff