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: 1070
Hash: 507269e95bb79f5774653a61db30d2c8ec034998971303b4d1ea1209c464b9cd
Previous block: 3846f19e3817b1fb1d4c9895d40cec21000871a9cff256a20ead90deecab1ef9
Next block: 2cb29afd742c5668634c231b57f9ca249d1962fe5d1fb5a427848e723947634e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857847
Stripped size: 218
Size: 254
Nonce: 6
Merkle root: 6c66b3029ac67bf97c6a5e5951625e7ce3abc14a012b0b3d39b529c61fbb3b4a
Median time: 1707857846
Difficulty: 4.656542373906925e-10
Confirmations: 1174
Chainwork: 000000000000000000000000000000000000000000000000000000000000085e
Bits: 207fffff