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: 2283
Hash: 202d93087bafcd3dba99261a391d9d1da50d59fe71387c019b672c795e2ae099
Previous block: 7485be0f3a7b20016422b0353712e3df7d24d8e181835c4dc2363db4a36d8752
Next block: 4f25f15d7e128a803a6359f4f31c51dacb09a51a95d90195080da226c7ad8dc6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847267
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b2d621a7aed3d10228c4e9b310b6daad19670d81bdc446829ca2de4603bb54b8
Median time: 1743847266
Difficulty: 4.656542373906925e-10
Confirmations: 360
Chainwork: 00000000000000000000000000000000000000000000000000000000000011d8
Bits: 207fffff