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: 2162
Hash: 1798b0e17a59017fd10b1b36b4564a4cf8d00581c41484b4b69110a6f45ac4f2
Previous block: 51a58f953b4399dd1759ca72a41fe3f900d7358f63e65af6b4513492fb1ea479
Next block: 648d7c0b8edb2a2c8c27c20c618d499fb1beb5ac22cbacba9fa12da34678c95e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964797
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 217acac9e9f1fa41a7568a0f8093acfa0c25f637fb460394f6fd465fb77e1cf4
Median time: 1728964796
Difficulty: 4.656542373906925e-10
Confirmations: 82
Chainwork: 00000000000000000000000000000000000000000000000000000000000010e6
Bits: 207fffff