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: 92
Hash: 7e07736ad5c0bb424b881f961c5f8264d2f9e800974b860baf0ff475f5051fb1
Previous block: 624ef7fddd8370148512bccf8375757e6998d7656970d37b52b1d923c018f936
Next block: 711713b03e68d7bccd016a9419d06ab627751bafaee0edd70f900a2d4b54dfcd
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597883
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: c176978167147840f0c854ee4ba02763b4fd95f1ab0e9305193851dbf68faced
Median time: 1701597882
Difficulty: 4.656542373906925e-10
Confirmations: 2152
Chainwork: 00000000000000000000000000000000000000000000000000000000000000ba
Bits: 207fffff