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: 2292
Hash: 181b02276e85937fda9b5061585ea82d41f008e618075bde8f914995ff2bbfd9
Previous block: 277bcdc13c1391be598234ba8548f4ff2d42d247659912021273502402520eb0
Next block: 3a1913ce5adf3ef45c2473592c2ece592abe8d0a0b46211431d98048fda74786
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847269
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 120b7631916f1409860b79a982813efe362f83d436d232d045d4e52ef5125c4c
Median time: 1743847268
Difficulty: 4.656542373906925e-10
Confirmations: 351
Chainwork: 00000000000000000000000000000000000000000000000000000000000011ea
Bits: 207fffff