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.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1342
Hash: 2295dae450f4f1bf036650fbb9b3e7610a12408a5e87ec40fa2c9359c0e1b6ed
Previous block: 0bcb920a32f9aad572175930edb2a36f53c1d42e0049843be77c1d7b9ddba10b
Next block: 360c3b086d920d49a1254cf6bafa851e00aed5dda0cb26a44edf11a1c07f50bd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697631
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 5ac714f83cadcd4981ae05279c45b6375778b0cd37fb842454d598c7abc82953
Median time: 1718697630
Difficulty: 4.656542373906925e-10
Confirmations: 902
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a7e
Bits: 207fffff