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: 238
Hash: 73cf1847f8e0a64a9751448e66a2204d64e585ad7b8dee45723e95a0a6d9f8b6
Previous block: 6d158ac595f4b5ee00f8841408837a7e137153823911f7cf60a7224bf0ef3b07
Next block: 43ef756940aaaf8f8a3d34ecb1e9456c9f51a88b8ae9b3aa58625928ae37d6bd
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597907
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: c51b3d86aa90fe654692644648893d767654c43416a0063165ee63bd72ee1dd4
Median time: 1701597906
Difficulty: 4.656542373906925e-10
Confirmations: 2006
Chainwork: 00000000000000000000000000000000000000000000000000000000000001de
Bits: 207fffff