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: 2589
Hash: 4aa7338be0c48e456a19f69c9b3dff11aee75c7d89ee8133f48b76909ce0c16f
Previous block: 78b818b21b386bb7026bc63745cf6994e4129dc03b114faed05c9faa7d3c3397
Next block: 097cf449aab780e9ede49ad5cbf7fc8c07734a668116f1a5b9030b977e70f525
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847318
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: a6546ecb8c444f333c5ed306130f18eb20903655168f1b5987aa3eef89a9801c
Median time: 1743847317
Difficulty: 4.656542373906925e-10
Confirmations: 54
Chainwork: 000000000000000000000000000000000000000000000000000000000000143c
Bits: 207fffff