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: 1426
Hash: 0eba2d7b1241f43c6422e202949eb42c237ffe4745e5412d15b7ae43f0e70501
Previous block: 04b7d2a7bc70a95993be1e08ebe97aef5e62a0b107e91813a2f5ec0cbaa54d52
Next block: 3a11713ba53f51eb10397571cf8ee80d0299584cc107da38901c8540da9e6ae6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697645
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 6c46b21da0b2a286c0a1356223aa17e46c5f0101fc9b6b81d42fb9162237044e
Median time: 1718697644
Difficulty: 4.656542373906925e-10
Confirmations: 818
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b26
Bits: 207fffff