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

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mupBAc74k

Height: 1585
Hash: 11b615b14206ccf30802d087e628c1e20ab2b88ba25160d9e259c7c4450bd25d
Previous block: 1e4c5f96a9a356724700b672c67f4f139b595f47d7d9025a4c2eed8377bdab0a
Next block: 7578e621bf93cdde0f0108b61cb1bca3a34b33ffbf76b30beaffb2aef3e3b697
Weight: 908
Versionhex: 20000000
Version: 536870912
Time: 1708932134
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 63d2b8985d711533347d7ea807cbf9c50499103a6d326757f83c7962f7cc9326
Median time: 1708932133
Difficulty: 4.656542373906925e-10
Confirmations: 24
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c64
Bits: 207fffff