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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1193
Hash: 78b89149b94e1986d7877d5f2f575a717d6baa7ff1a615e38007a61077fd09b4
Previous block: 3f8214aef367b3398c9ab981f2e6d7a17f9648a47968140ac43c5a7f6ca8c430
Next block: 6d3e6d7882f5cd9ece5c8c160717dbbb0b00837a41fc3eba8f34cff6e0ad0b49
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857867
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ee64fd49a802dc5a4fb9bf6dac890d83e5aea98d268adef0ec7b4fa509c90a9c
Median time: 1707857866
Difficulty: 4.656542373906925e-10
Confirmations: 1051
Chainwork: 0000000000000000000000000000000000000000000000000000000000000954
Bits: 207fffff