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: 2061
Hash: 128276893efb8cc1c7d2509b2537d8bad8c92c91916f7ef6c5843876168a50d1
Previous block: 277cfb1aa3e9bfe4f5c003ba4cb88b4853720a4e4a70644d2655c26aeec0206d
Next block: 4d2df0d28abd3bddad13517ef257a7e4cbfe9d83132d08c885c7a79f95f2a02d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964780
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b7dd714863907525c30cd86b58e57185413db6a271b9464eb19590a02987840b
Median time: 1728964779
Difficulty: 4.656542373906925e-10
Confirmations: 183
Chainwork: 000000000000000000000000000000000000000000000000000000000000101c
Bits: 207fffff