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. mgqFp9Dhy

Height: 2187
Hash: 6d791255501ce86f2395372478743f9bc31af146dd31eb54a9a3bb298c83cbce
Previous block: 5d0d4d7d910d898c819ce73b18f037bac493377fb0b78a66950fb2a0ec21662a
Next block: 686819fb835a683aef7ff4962c5a82ebb723a79f936c75f3060237955bd12c71
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964801
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 87414682cfff2e27cee48523ecac50099b167c8ca430e4158bb252c72971d976
Median time: 1728964800
Difficulty: 4.656542373906925e-10
Confirmations: 57
Chainwork: 0000000000000000000000000000000000000000000000000000000000001118
Bits: 207fffff