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: 2512
Hash: 6a824046af9a04a50f7ebe3bfe6d48eaf956615742a34f24e9090bdef37d6013
Previous block: 24cedd762e29aac5dc7b98fa681c4b1e605af03aec5b5eb9d2637f4d867e0911
Next block: 206be4234d51bab4c323a40458395fb754509e1aacdf8c1208b278989be47382
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847305
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: e18d771ed548bae10ce76e15ae8391b24c6245fc2186a405d6b5df5c2961b3d9
Median time: 1743847304
Difficulty: 4.656542373906925e-10
Confirmations: 131
Chainwork: 00000000000000000000000000000000000000000000000000000000000013a2
Bits: 207fffff