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: 2466
Hash: 664db5f7e84180f047880569f32498253c0aa4f88346f5c723e6ad9a04685bce
Previous block: 393668b4691c529df53201cb40d32a2e6ccd1bffd48fa3557129a9ff941f1feb
Next block: 3fe93493adfa75149fa03b76a37fb4a798f63c001449b92ce59619a117a97470
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847298
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c7291b1a8cdd728ef7c9ee2fc95834bd4e7bafff3a3bd6dfb0e3d3df9ad8fc4d
Median time: 1743847297
Difficulty: 4.656542373906925e-10
Confirmations: 177
Chainwork: 0000000000000000000000000000000000000000000000000000000000001346
Bits: 207fffff