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: 2282
Hash: 7485be0f3a7b20016422b0353712e3df7d24d8e181835c4dc2363db4a36d8752
Previous block: 18f6a1ea4786714be9041efdbbec760f24a7cc472c5c402aefb49581f278f9fe
Next block: 202d93087bafcd3dba99261a391d9d1da50d59fe71387c019b672c795e2ae099
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847267
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 8bacee0590cbc0eedeff20f2ac10fc22d21df290df3966c4b60f1fce0a4d4759
Median time: 1743847266
Difficulty: 4.656542373906925e-10
Confirmations: 361
Chainwork: 00000000000000000000000000000000000000000000000000000000000011d6
Bits: 207fffff