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: 1341
Hash: 0bcb920a32f9aad572175930edb2a36f53c1d42e0049843be77c1d7b9ddba10b
Previous block: 71f0e6f2282596d469211c2acaa57e011df37d60771b3274dd79ff72054a5c8d
Next block: 2295dae450f4f1bf036650fbb9b3e7610a12408a5e87ec40fa2c9359c0e1b6ed
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697631
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 3527a0a58567647fc5c070146fa4fae95807b98c5dcbb0adf2a320da73faface
Median time: 1718697630
Difficulty: 4.656542373906925e-10
Confirmations: 903
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a7c
Bits: 207fffff