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: 2329
Hash: 4ec967884bd969c48e12d7b4bf286a775d3d05f70a373ce9a17a4fe5a6876fe0
Previous block: 2d1fee3075539ccc2971d2acce2485910e4ab2e3d1781240aee00cb2cf9e7080
Next block: 2ac6e818bd5ee3208a81c1b0eb79199622bccd17c5b3e5af50a8dc3ec0fa9bb8
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847275
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 90506e471a090faba0d55fbbd53499f8be0d38c6f635de8c3d4a9b06498c95bc
Median time: 1743847274
Difficulty: 4.656542373906925e-10
Confirmations: 314
Chainwork: 0000000000000000000000000000000000000000000000000000000000001234
Bits: 207fffff