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: 951
Hash: 5a277f54529327b59cc999388e1eaf019ac6e682cebf6ed837cb12171b7f3131
Previous block: 5226fa67f824bc63845d4105ae41e0e0717464d8ebd9bb326acce76961ce8afe
Next block: 7e386a7486c4fa302cc46ce51d35adeb09f69d4c5b6ebe44119145557060dc34
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857827
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 35fa5a8404b40bc1f470b39a8c184c1c0b6928bd7041732bdfcfa500c647e592
Median time: 1707857826
Difficulty: 4.656542373906925e-10
Confirmations: 1293
Chainwork: 0000000000000000000000000000000000000000000000000000000000000770
Bits: 207fffff