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. mkrgsKuFE

Height: 1560
Hash: 3d889b38766c45724306165de0dcbdfe75f424d170b57b7e8ff80b973b564469
Previous block: 3454d67336bce7b010ca795d3140987c30caa12d6a7b9be01a50bf919077265b
Next block: 2cbe95369340c805dd203bd7e3beba1cb33487345ec0601930652966d70114dd
Weight: 908
Versionhex: 20000000
Version: 536870912
Time: 1708932129
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 31be68a34d81334fcebdd96473693b8d8e4c75f35c1986f87ed4b9bbe521ad8a
Median time: 1708932129
Difficulty: 4.656542373906925e-10
Confirmations: 49
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c32
Bits: 207fffff