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: 180
Hash: 5dbad95bc64691501292992a030ddd351d919010d57ae4824a2a2ef24b20fdbb
Previous block: 44c0c3378df8da4899248ca77b9d8dd64016599e5742162120203280f20a909d
Next block: 0e7b6080fac5c4e733c628417ac1deb10a2e96f1cd82d5d7e6bef856a9c4c347
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597897
Stripped size: 218
Size: 218
Nonce: 2
Merkle root: fd49f6dd3b4b8f072e4b83c4f7a4de583c7d20c36926d3c941af3ac056274cbe
Median time: 1701597896
Difficulty: 4.656542373906925e-10
Confirmations: 2064
Chainwork: 000000000000000000000000000000000000000000000000000000000000016a
Bits: 207fffff