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: 698
Hash: 4c00c0c9816fe28d79cd0afdcf08f9ab214be07d603e7416832796d7f0d84533
Previous block: 6c4d05eff1c428d4c7db701b73c0d867bd2bc1dccc6390b94823bd70df48cc24
Next block: 2e63050909db4f0620981d6f3cc64ad5300df4d5d69f467311e99ee382851db2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864260
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 66acb7ab5cd8bd7816911dedd7a09465f2e320b91c512c618249d64de098e715
Median time: 1701864259
Difficulty: 4.656542373906925e-10
Confirmations: 1546
Chainwork: 0000000000000000000000000000000000000000000000000000000000000576
Bits: 207fffff