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: 826
Hash: 64f1678d08e8affdc0741ed4f71835fbf94eed77911c8e125e7b5952b1d5f36d
Previous block: 0f37688ef38880d857d7e6760693c57b3fb70e314882d7608ce5dcc6ac8cce7e
Next block: 592902a6c7078013e134113da567ff887885e7cb200bbc8aca304076e62053b4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857806
Stripped size: 218
Size: 254
Nonce: 4
Merkle root: 65b187b02714c7eefb8789f3fda74ada55b4f4bad76de23f512446100c2bdff6
Median time: 1707857805
Difficulty: 4.656542373906925e-10
Confirmations: 1418
Chainwork: 0000000000000000000000000000000000000000000000000000000000000676
Bits: 207fffff