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: 2364
Hash: 40e7dc8ee632710127a2b92faed22c097a1fa577b389f0e14d1e89b253957420
Previous block: 5f5de1ce4982248eb3a43e039aafcb96535fd538515295ddc04bcd384bccfece
Next block: 3976abab9ad0f504e5fe5b84207806ede4d107615271ce2e1a9ddbb6c34c09a0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847281
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 7f26f6adeaac858ca9046f6704ccfc0f27cc0e219d7e691be2b468ed66b5d3a4
Median time: 1743847280
Difficulty: 4.656542373906925e-10
Confirmations: 279
Chainwork: 000000000000000000000000000000000000000000000000000000000000127a
Bits: 207fffff