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: 410
Hash: 76b9d75cf031557cb20bf386444335ceb0b12efc8ee69634bb9ff2febd179735
Previous block: 616349d017c3b35aaa173177d2548b93c14f4f5b7f5908ee639bdbbf09bc9908
Next block: 1b6bafd11a46db2eebb2ac4ce2a126296673bc558f8ba3a7ea4e2094c4ae989a
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701864212
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: 4e0fc6f042461fa09f633afec8c3c44cfc81db9e8d1770382443d61778c2b7ab
Median time: 1701864211
Difficulty: 4.656542373906925e-10
Confirmations: 1834
Chainwork: 0000000000000000000000000000000000000000000000000000000000000336
Bits: 207fffff