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: 192
Hash: 38b99f72e6a1c252d416f478a3d176712c2b8f7d0b405bd9242b93c77bf5480e
Previous block: 5196935e55051b4ccd5bc9e0beae63f0e4a726fed6afc2e6a39be2f75693d00b
Next block: 62fb0083a03ec02205ecbca55f21b50ee9e1f8879eefc4ca76467db5cfc260d1
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597899
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: e8e87b365f507d66a2173edfa15f2e409752fa026493d8f2f4ede026c5982af0
Median time: 1701597898
Difficulty: 4.656542373906925e-10
Confirmations: 2052
Chainwork: 0000000000000000000000000000000000000000000000000000000000000182
Bits: 207fffff