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: 1486
Hash: 284717312385bef75737aca159a19d212fda010a0ec716ec65df6d672e9df227
Previous block: 49124817a3ee6d1a3762ff4c173d56fd4e6e1d3b16978ce943ab31e138837ee2
Next block: 79f1ceea0aef5ccbd168ed718a1b46704374ce78e210e704ceab4c9811317e6d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697655
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: c09db777b4de6c3563fa090c0d3c589b0d3a790848f3946bfdb7468b0d80e36d
Median time: 1718697654
Difficulty: 4.656542373906925e-10
Confirmations: 758
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b9e
Bits: 207fffff